简单易懂的C语言源代码(供初学者使用)

第一篇：简单易懂的C语言源代码(供初学者使用)

#include main(){float pi=3.14159265,r;printf(“enter radius:n”);scanf(“%f”,&r);printf(“r=%.2f,c=%.2f,area=%.2fn”,r,2*pi*r,pi*r*r);system(“pause”);}

#include main(){int m,n,x,y;printf(“inputm,n:n”);scanf(“%d%d”,&m,&n);if(n%2==1){printf(“error！n bu shi ji shu!n”,n);return;} /*n在这里不能是奇数*/ x=(4*m-n)/2;y=(n-2*m)/2;if((x>=0)&&(y>=0))printf(“x=%d,y=%dn”,x,y);else printf(“shu ru cuo wu!n”);getch();}

#include #include #include main(){float a,b,C;printf(“enter 3number(a,b,C):n”);scanf(“%.2f %.2f %.2f”,&a,&b,&C);s=0.5*a*b*sinC;printf(“s=%.2fn”,s);system(“pause”);}

#include main(){int ds,nl,yf;char c;printf(“shu ru ds;n”);scanf(“%d”,&ds);if(ds<14||ds>1184){printf(“input error!press any end...n”);scanf(“%c”,&c);exit(0);} /*输入的数字必须是-14~1184之间*/ nl=(ds+115)%100;yf=(ds+115)/100;printf(“nl=%d,yf=%dn”,nl,yf);system(“pause”);}

#include #include main(){char s1[100],s2[100],s3[100],s4[100];printf(“input a string:n”);gets(s1);strcpy(s1,s2);strcat(s1,“--------------”);strcpy(s3,strcat(s1,“--------------”));strcat(strcpy(s3,strcat(s1,“--------------”)),s2);strcpy(s4,strcat(strcpy(s3,strcat(s1,“--------------”)),s2));puts(s4);system(“pasue”);getch();}

#include #include main(){float x1,x2,a,b,c;printf(“input 3 number(a,b,c):n”);scanf(“%f%f%f”,&a,&b,&c);x1=(-b+sqrt(b*b-4*a*c))/(2*a);x2=(-b-sqrt(b*b-4*a*c))/(2*a);printf(“x1=%f,X2=%fn”,x1,x2);system(“pause”);getch();}

#include main(){int a,b,c,t;printf(“input 3 number:n”);scanf(“%d%d%d”,&a,&b,&c);if(a>b){t=a;a=b,b=t;} if(a>c){t=a;a=c;c=t;} if(b>c){t=b;b=c;c=t;} printf(“1:%d,2:%d,3:%dn”,a,b,c);system(“pause”);}

#include #include #include main(){float pi=3.14159265,r;textbackground(YELLOW);/* 设置背景色为黄色，注意颜色应该大写，可更改 */

textcolor(RED);/* 设置文件颜色为红色，可更改 */ clrscr();/* 清屏，使设置生效 */ printf(“enter radius:”);scanf(“%f”,&r);if(r<0)printf(“Enter Error!n”);else printf(“r=%.2f,c=%.2f,area=%.2fn”,r,2*pi*r,pi*r*r);system(“pause”);/* 暂停，按任一键继续 */

#include #include #include main(){float a,b,c,delt,x1,x2,p,q;textcolor(YELLOW);clrscr();printf(“Input a b c:n”);scanf(“%f%f%f”,&a,&b,&c);if(a==0){printf(“It's not a quadratic equation!n”);system(“pause”);return;} delt=b*b-4*a*c;if(delt>=0){x1=(-b+sqrt(delt))/(2*a);x2=(-b-sqrt(delt))/(2*a);printf(“x1=%.3f x2=%.4fn”,x1,x2);} else {p=-b/(2*a);q=sqrt(-delt)/(2*a);printf(“p=%.4fq=%.4fn”,p,q);} system(“pause”);getch();} }

#include main(){float pi=3.14159265,r;int k=0;while(k<=3){ printf(“enter radius:n”);scanf(“%f”,&r);printf(“r=%.2f,c=%.2f,area=%.2fn”,r,2*pi*r,pi*r*r);printf(“press any key to continuenpress esc to exit.”);k++;} }

#include #include #include #include main(){int a,b,c,oper;long limit,i=0;char char1;textcolor(GREEN);/*设置字体颜色为绿色*/ clrscr();/*清屏，是设置生效*/ while(i<=3){printf(“qing xuan ze jia huo jian(1or2,1:+,2:-n”);scanf(“%d”,&oper);printf(“Enter max(<10000):n”);scanf(“%ld”,&limit);srand((unsigned long)time(0));a=rand()*limit/RAND_MAX;b=rand()*limit/RAND_MAX;while((a

#include #include main(){int y,i=0;textcolor(YELLOW);/*天下事无难易之分只有做与不做之别*/ textbackground(GREEN);clrscr();/*清屏，是设置生效*/ while(i<=3){printf(“Input year:n”);scanf(“%d”,&y);if(y%4==0){if(y%100==0){if(y%400==0)printf(“y shi run nian!n”);else printf(“y bu shi run nian!n”);} else printf(“y shi run nian!n”);} else printf(“y bu shi run nian!”);i++;} getche();}

#include #include #include main(){ int xz,wday1,hour1;struct tm *timeptr;time_t secsnow;char s1[30],s2[30],s3[30];printf(“input whom do you say to?:n”);scanf(“%d”,&xz);if(xz==1)strcpy(s1,“mother”);else if(xz==2)strcpy(s1,“father”);else strcpy(s1,“");time(&secsnow);timeptr=localtime(&secsnow);wday1=timeptr->tm_wday;if(wday1==6)strcpy(s2,”Happy saturday!“);else if(wday1==0)strcpy(s2,”Happy sunday“);else strcpy(s2,”“);hour1=timeptr->tm_hour;if(hour1>=4&&hour1<=10)strcpy(s3,”Good morning!“);else if(hour1>=17&&hour1<=22)strcpy(s3,”Good afternoon!“);else strcpy(s3,”Good evening!“);printf(”%s%s%s“,s1,s2,s3);getch();}

#include #include main(){int day,year,month,i=0;textbackground(BROWN);clrscr();while(i<=3){ printf(”Input 2 number:n“);scanf(”%d%d“,&year,&month);switch(month){case 1:case 3:case 5:case 7:case 8: case 10:case 12: day=31;break;case 4:case 6:case 11:day=30;break;case 2:day=28;if((year%4==0&&year%100!=0)||year%400==0)day=29;break;deflault: printf(”Invalid month input!n“);return;} printf(”There are%d days in %d.%dn",day,year,month);i++;getch();} }

第二篇：DES源代码C语言实现(简洁易懂)

#include /* 初始置换表IP */ int IP_Table[64] = { 57,49,41,33,25,17,9,1，59,51,43,35,27,19,11,3，61,53,45,37,29,21,13,5，63,55,47,39,31,23,15,7，56,48,40,32,24,16,8,0，58,50,42,34,26,18,10,2，60,52,44,36,28,20,12,4，62,54,46,38,30,22,14,6};

/* 逆初始置换表IP */

int IP_1_Table[64] = {39,7,47,15,55,23,63,31，38,6,46,14,54,22,62,30，37,5,45,13,53,21,61,29，36,4,44,12,52,20,60,28，35,3,43,11,51,19,59,27，34,2,42,10,50,18,58,26，33,1,41,9,49,17,57,25，32,0,40,8,48,16,56,24};

/* 扩充置换表E */

int E_Table[48] = {31, 0, 1, 2, 3, 4，3, 4, 5, 6, 7, 8，7, 8,9,10,11,12，11,12,13,14,15,16，15,16,17,18,19,20，19,20,21,22,23,24，23,24,25,26,27,28，27,28,29,30,31,0};

/* 置换函数P */

int P_Table[32] = {15,6,19,20,28,11,27,16，0,14,22,25,4,17,30,9，1,7,23,13,31,26,2,8，18,12,29,5,21,10,3,24};

/* S盒 */

int S[8][4][16] =/* S1 */

{{{14,4,13,1,2,15,11,8,3,10,6,12,5,9,0,7}，{0,15,7,4,14,2,13,1,10,6,12,11,9,5,3,8}，{4,1,14,8,13,6,2,11,15,12,9,7,3,10,5,0}，{15,12,8,2,4,9,1,7,5,11,3,14,10,0,6,13}}，/* S2 */

{{15,1,8,14,6,11,3,4,9,7,2,13,12,0,5,10}，{3,13,4,7,15,2,8,14,12,0,1,10,6,9,11,5}，{0,14,7,11,10,4,13,1,5,8,12,6,9,3,2,15}，{13,8,10,1,3,15,4,2,11,6,7,12,0,5,14,9}}，/* S3 */ {{10,0,9,14,6,3,15,5,1,13,12,7,11,4,2,8}，{13,7,0,9,3,4,6,10,2,8,5,14,12,11,15,1}，{13,6,4,9,8,15,3,0,11,1,2,12,5,10,14,7}，{1,10,13,0,6,9,8,7,4,15,14,3,11,5,2,12}}，/* S4 */

{{7,13,14,3,0,6,9,10,1,2,8,5,11,12,4,15}，{13,8,11,5,6,15,0,3,4,7,2,12,1,10,14,9}，{10,6,9,0,12,11,7,13,15,1,3,14,5,2,8,4}，{3,15,0,6,10,1,13,8,9,4,5,11,12,7,2,14}}，/* S5 */

{{2,12,4,1,7,10,11,6,8,5,3,15,13,0,14,9}，{14,11,2,12,4,7,13,1,5,0,15,10,3,9,8,6}，{4,2,1,11,10,13,7,8,15,9,12,5,6,3,0,14}，{11,8,12,7,1,14,2,13,6,15,0,9,10,4,5,3}}，/* S6 */

{{12,1,10,15,9,2,6,8,0,13,3,4,14,7,5,11}，{10,15,4,2,7,12,9,5,6,1,13,14,0,11,3,8}，{9,14,15,5,2,8,12,3,7,0,4,10,1,13,11,6}，{4,3,2,12,9,5,15,10,11,14,1,7,6,0,8,13}}，/* S7 */

{{4,11,2,14,15,0,8,13,3,12,9,7,5,10,6,1}，{13,0,11,7,4,9,1,10,14,3,5,12,2,15,8,6}, {1,4,11,13,12,3,7,14,10,15,6,8,0,5,9,2}，{6,11,13,8,1,4,10,7,9,5,0,15,14,2,3,12}}，/* S8 */

{{13,2,8,4,6,15,11,1,10,9,3,14,5,0,12,7}，{1,15,13,8,10,3,7,4,12,5,6,11,0,14,9,2}，{7,11,4,1,9,12,14,2,0,6,10,13,15,3,5,8}，{2,1,14,7,4,10,8,13,15,12,9,0,3,5,6,11}}};

/* 置换选择1 */

int PC_1[56] = {56,48,40,32,24,16,8，0,57,49,41,33,25,17，9,1,58,50,42,34,26，18,10,2,59,51,43,35，62,54,46,38,30,22,14，6,61,53,45,37,29,21，13,5,60,52,44,36,28，20,12,4,27,19,11,3};

/* 置换选择2 */

int PC_2[48] = {13,16,10,23,0,4，2,27,14,5,20,9，22,18,11,3,25,7，15,6,26,19,12,1，40,51,30,36,46,54，29,39,50,44,32,47，43,48,38,55,33,52，45,41,49,35,28,31};//把8X6的数组变成一个一维数组

void change1(int E[8][6],int r[48]){ int i,j;for(i=0;i<8;i++){

for(j=0;j<6;j++)

{

r[i*6+j] = E[i][j];

} } } //把一维数组变成8X6的矩阵 void change2(int r[48],int E[8][6]){ int i,j;for(i=0;i<8;i++){

for(j=0;j<6;j++)

{

E[i][j]= r[i*6+j];

} } } //输入16进制明文

void input(int M[8][8]){

int i,j,k;char c[16];int s[16],d[64],a[16][4];

printf(“请输入16位16进制数：”);for(i=0;i<16;i++){

scanf(“%c”,&c[i]);}

for(i=0;i<16;i++)

{

if(c[i]>=48&&c[i]<=58)

s[i]=c[i]-48;

else if(c[i]>='A'&&c[i]<='Z')

s[i]=c[i]-55;

else if(c[i]>='a'&&c[i]<='z')

s[i]=c[i]-87;

else

{

puts(“errorn”);

return;

}

} //把16进制数组c[]转化为二进制数：

k=0;while(k<16)//每一位分解为四位，注意输出顺序就可以了

{

for(j=3;j>=0;j--)

{

a[k][j]=s[k]%2;

s[k]/=2;

}

k++;} //把a[16][4]转化成a[8][8]类型数组 for(k=0;k<16;k++){

for(j=0;j<4;j++)

{

d[k*4+j] = a[k][j];

} }

for(i=0;i<8;i++){

for(j=0;j<8;j++)

{

M[i][j] = d[i*8+j];

} } /* //打印密文二进制数组 for(i=0;i<8;i++){

for(j=0;j<8;j++)

{

printf(“%2d”,M[i][j]);

}

printf(“n”);} */ }

/*初始置换*/

void Startedexchange(int MW[8][8],int temp[8][8]){ int i,j,a[64],b[64];for(i=0;i<8;i++){ for(j=0;j<8;j++)

a[i*8+j] = MW[i][j];} for(i=0;i<64;i++){ b[i] = a[IP_Table[i]];} for(i=0;i<8;i++){ for(j=0;j<8;j++){

temp[i][j] = b[i*8+j];} } /*for(i=0;i<8;i++){ for(j=0;j<8;j++){

printf(“%2d”,temp[i][j]);} printf(“n”);} */ }

/*生成秘钥*/ void bornkey(int MY[8][8],int n,int key [48]){

int i,j,m;int tem,tem2;int k[64],k1[56];int a[8][7];int c[28],d[28];int list[16]={1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1};for(i=0;i<8;i++){ for(j=0;j<8;j++){

k[i*8+j] = MY[i][j];} } for(i=0;i<8;i++){ for(j=0;j<7;j++){

a[i][j] = k[PC_1[i*7+j]];} } /* for(i=0;i<8;i++){ for(j=0;j<7;j++){

printf(“%d”,a[i][j]);} } printf(“n”);*/ //c0,d0 for(i=0;i<4;i++){ for(j=0;j<7;j++){

c[i*7+j] = a[i][j];} } for(i=4;i<8;i++){ for(j=0;j<7;j++){

d[i*7+j-28] = a[i][j];} }

//确定左移位数 m = 0;for(i=0;i

tem=c[0];

for(i=0;i<27;i++)

{

c[i] = c[i+1];

}

c[27] = tem;

tem2 = d[0];

for(i=0;i<27;i++)

{

d[i] = d[i+1];

}

d[27] = tem2;

m--;} /* for(i=0;i<28;i++){ printf(“%d”,d[i]);} printf(“n”);*/ //合并

for(i=0;i<28;i++){ k1[i] = c[i];} for(i=0;i<28;i++){ k1[28+i] = d[i];} //置换选择2 for(i=0;i<48;i++){ key[i] = k1[PC_2[i]];}

} //第一次异或

void firstXOR(int key[48],int R[48],int k2[48]){ int i;for(i=0;i<48;i++){

if(R[i]!=key[i])

{

k2[i] = 1;

}

else

k2[i] = 0;} } //S盒压缩变换

void Schange(int k2[48],int k3[32]){ int i,h,l,a,temp,k,m,j;

int b[8][6];int num[4];

change2(k2,b);

m=0;

//printf(“n”);

for(i=0;i<8;i++)

{

h=2*b[i][0]+b[i][5];l=8*b[i][1]+4*b[i][2]+2*b[i][3]+b[i][4];a = S[i][h][l];

//printf(“%d ”,a);//把a装换成二进制输出

k=3;while(a!=0){

temp = a%2;

a = a/2;

num[k] = temp;

k--;} while(k>=0){

num[k]=0;

k--;} for(j=0;j<4;j++){

k3[m] = num[j];

m++;}

} } //置换运算P void Pchange(int k3[32],int p[32]){ int i;for(i=0;i<32;i++){

p[i] = k3[P_Table[i]];} } //拓展变换

void extension(int a[32],int b[48]){ int i;for(i=0;i<48;i++){

b[i] = a[E_Table[i]];

} } void feistel(int R[32], int key[48],int p[32]){ int b[48],k2[48],k3[32];extension(R,b);firstXOR(key,b,k2);//key后半部分出现问题

Schange(k2,k3);Pchange(k3,p);} //第二次异或

void SecondXOR(int L[32],int p[32],int R1[32]){ int i;for(i=0;i<32;i++){

if(L[i]!=p[i])

{

R1[i] = 1;

}

else

R1[i] = 0;} }

/*把明文分成两部分32+32*/

void divideLR(int temp[8][8],int L[32],int R[32]){ int i,j;for(i=0;i<4;i++){

for(j=0;j<8;j++)

{

L[i*8+j] = temp[i][j];

}

} for(i=0;i<4;i++){

for(j=0;j<8;j++)

{

R[i*8+j] = temp[i+4][j];

} } }

void exchange(int R[32],int L[32]){

int i;

for(i=0;i<32;i++)

{ L[i] = R[i];

} } //逆初始置换

void restartexchange(int L[32],int R[32],int secret[64]){ int a[64];int i;for(i=0;i<32;i++){

a[i] = L[i];} for(i=0;i<32;i++){

a[32+i] = R[i];} for(i=0;i<64;i++){

secret[i] = a[IP_1_Table[i]];} } // 将二进制 数转化为16进制 void BtoOX(int a[64], char b [16]){ int i,j,k,n,r;n=0;

for(i=0;i<16;i++){

k=8;

r=0;

for(j=1;j<5;j++)

{

r+=a[n]*k;

k=k/2;

n++;

}

if(r<10)

b[i]=r+48;

else

b[i]=r+55;

} } void main(){ int i,j,a;int MW[8][8];//密文 int MY[8][8];//秘钥

int temp[8][8];//过渡数组 int L[32];//左边加密部分 int R[32];//右边加密部分 int R1[32];int key[48];//生成的秘钥 int p[32];int secret[64];//密文二进制表示 char miwen[16];printf(“请输入明文：”);input(MW);getchar();Startedexchange(MW,temp);divideLR(temp,L,R);

printf(“请输入秘钥：”);input(MY);//打印密文二进制数组 a = 1;while(a<=15){ bornkey(MY,a,key);//true feistel(R,key,p);SecondXOR(L,p,R1);exchange(R,L);

exchange(R1,R);a++;}

//第16次迭代

bornkey(MY,16,key);feistel(R,key,p);SecondXOR(L,p,R1);exchange(R1,L);

restartexchange(L,R,secret);BtoOX(secret,miwen);printf(“n”);for(i=0;i<16;i++){ printf(“%c”,miwen[i]);} printf(“n”);}

第三篇：C语言扫雷源代码

C语言扫雷源代码.txt如果背叛是一种勇气，那么接受背叛则需要更大的勇气。爱情是块砖，婚姻是座山。砖不在多，有一块就灵；山不在高，守一生就行。#include #include #include #include

/*鼠标信息宏定义*/ #define WAITING 0xff00 #define LEFTPRESS 0xff01 #define LEFTCLICK 0xff10 #define LEFTDRAG 0xff19 #define RIGHTPRESS 0xff02 #define RIGHTCLICK 0xff20 #define RIGHTDRAG 0xff2a #define MIDDLEPRESS 0xff04 #define MIDDLECLICK 0xff40 #define MIDDLEDRAG 0xff4c #define MOUSEMOVE 0xff08 struct { int num;/*格子当前处于什么状态,1有雷，0已经显示过数字或者空白格子*/ int roundnum;/*统计格子周围有多少雷*/ int flag;/*右键按下显示红旗的标志,0没有红旗标志,1有红旗标志*/ }Mine[10][10];

int gameAGAIN=0;/*是否重来的变量*/ int gamePLAY=0;/*是否是第一次玩游戏的标志*/ int mineNUM;/*统计处理过的格子数*/ char randmineNUM[3];/*显示数字的字符串*/

int Keystate;int MouseExist;int MouseButton;int MouseX;int MouseY;int up[16][16],down[16][16],mouse_draw[16][16],pixel_save[16][16];

void MouseMath()/*计算鼠标的样子*/ {int i,j,jj,k;long UpNum[16]={ 0x3fff,0x1fff,0x0fff,0x07ff, 0x03ff,0x01ff,0x00ff,0x007f, 0x003f,0x00ff,0x01ff,0x10ff, 0x30ff,0xf87f,0xf87f,0xfc3f };long DownNum[16]={ 0x0000,0x7c00,0x6000,0x7000, 0x7800,0x7c00,0x7e00,0x7f00, 0x7f80,0x7e00,0x7c00,0x4600, 0x0600,0x0300,0x0300,0x0180 };for(i=0;i<16;i++){ j=jj=15;while(UpNum[i]!=0){ up[i][j]=UpNum[i]%2;j--;UpNum[i]/=2;} while(DownNum[i]!=0){ down[i][jj--]=DownNum[i]%2;DownNum[i]/=2;} for(k=j;k>=0;k--)up[i][k]=0;for(k=jj;k>=0;k--)down[i][k]=0;for(k=0;k<16;k++)/*四种组合方式*/ { if(up[i][k]==0&&down[i][k]==0)mouse_draw[i][k]=1;else if(up[i][k]==0&&down[i][k]==1)mouse_draw[i][k]=2;else if(up[i][k]==1&&down[i][k]==0)mouse_draw[i][k]=3;else mouse_draw[i][k]=4;} } mouse_draw[1][2]=4;/*特殊点*/ }

void Init(void);/*图形驱动*/ void MouseOn(int,int);/*鼠标光标显示*/ void MouseOff(void);/*鼠标光标隐藏*/ void MouseSetXY(int,int);/*设置当前位置*/ int LeftPress(void);/*左键按下*/ int RightPress(void);/*鼠标右键按下*/ int MiddlePress();void MouseGetXY(void);/*得到当前位置*/ int MouseStatus();void Control(void);/*游戏开始,重新,关闭*/ void GameBegain(void);/*游戏开始画面*/ void DrawSmile(void);/*画笑脸*/ void DrawRedflag(int,int);/*显示红旗*/ void DrawEmpty(int,int,int,int);/*两种空格子的显示*/ void GameOver(void);/*游戏结束*/ void GameWin(void);/*显示胜利*/ int MineStatistics(int,int);/*统计每个格子周围的雷数*/ int ShowWhite(int,int);/*显示无雷区的空白部分*/ void GamePlay(void);/*游戏过程*/ void Close(void);/*图形关闭*/

void main(void){ Init();MouseMath();//MouseOn(MouseX,MouseY);Control();Close();}

void Init(void)/*图形开始*/ { int gd=DETECT,gm;registerbgidriver(EGAVGA_driver);initgraph(&gd,&gm,“");} void Close(void)/*图形关闭*/ { closegraph();} /*鼠标光标显示*/ void MouseOn(int x,int y){ int i,j;int color;

for(i=0;i<16;i++)/*画鼠标*/ { for(j=0;j<16;j++){ pixel_save[i][j]=getpixel(x+j,y+i);/*保存原来的颜色*/ if(mouse_draw[i][j]==1)putpixel(x+j,y+i,0);else if(mouse_draw[i][j]==2)putpixel(x+j,y+i,15);} } } /*隐藏鼠标*/ void MouseOff(){ int i,j,x,y,color;x=MouseX;y=MouseY;for(i=0;i<16;i++)/*原位置异或消去*/ for(j=0;j<16;j++){ if(mouse_draw[i][j]==3||mouse_draw[i][j]==4)continue;color=getpixel(x+j,y+i);putpixel(x+j,y+i,color^color);putpixel(x+j,y+i,pixel_save[i][j]);} } void MouseSetXY(int x,int y)/*设置当前位置*/ { _CX=x;_DX=y;_AX=0x04;geninterrupt(0x33);} int LeftPress(void)/*鼠标左键按下*/ { _AX=0x03;geninterrupt(0x33);return(_BX&1);} int RightPress(void)/*鼠标右键按下*/ { _AX=0x03;geninterrupt(0x33);return(_BX&2);} /*是否按下中键

返回值同上 */ int MiddlePress(){ _AX=0x03;geninterrupt(0x33);return(_BX&4);} void MouseGetXY(void)/*得到当前位置*/ { _AX=0x03;geninterrupt(0x33);MouseX=_CX;MouseY=_DX;} /*鼠标按键情况,返回0表示只移动，返回1表示左右键同时按下，2表示只按了左键，3表示只按了右键*/

int MouseStatus(){ int x,y;int status;int press=0;

int i,j,color;status=0;/*默认鼠标没有移动*/

x=MouseX;y=MouseY;

while(x==MouseX&&y==MouseY&&status==0&&press==0){ if(LeftPress()&&RightPress())press=1;else if(LeftPress())press=2;else if(RightPress())press=3;MouseGetXY();if(MouseX!=x||MouseY!=y)status=1;} if(status)/*移动情况才重新显示鼠标*/ { for(i=0;i<16;i++)/*原位置异或消去*/ for(j=0;j<16;j++){ if(mouse_draw[i][j]==3||mouse_draw[i][j]==4)continue;color=getpixel(x+j,y+i);putpixel(x+j,y+i,color^color);putpixel(x+j,y+i,pixel_save[i][j]);} MouseOn(MouseX,MouseY);/*新位置显示*/ } if(press!=0)/*有按键的情况*/ return press;return 0;/*只移动的情况*/ }

void Control(void)/*游戏开始,重新,关闭*/ { int gameFLAG=1;/*游戏失败后判断是否重新开始的标志*/ while(1){ MouseStatus();if(gameFLAG)/*游戏失败后没判断出重新开始或者退出游戏的话就继续判断*/ {

GameBegain();/*游戏初始画面*/ GamePlay();/*具体游戏*/ if(gameAGAIN==1)/*游戏中重新开始*/ { gameAGAIN=0;continue;} }

gameFLAG=0;if(LeftPress())/*判断是否重新开始*/ { if(MouseX>280&&MouseX<300&&MouseY>65&&MouseY<85){ gameFLAG=1;continue;} } if(kbhit())/*判断是否按键退出*/ break;} } void DrawSmile(void)/*画笑脸*/ { MouseOff();setfillstyle(SOLID_FILL,YELLOW);fillellipse(290,75,10,10);setcolor(YELLOW);setfillstyle(SOLID_FILL,BLACK);/*眼睛*/ fillellipse(285,75,2,2);fillellipse(295,75,2,2);setcolor(BLACK);/*嘴巴*/ bar(287,80,293,81);MouseGetXY();MouseOn(MouseX,MouseY);} void DrawRedflag(int i,int j)/*显示红旗*/ { MouseOff();setcolor(7);setfillstyle(SOLID_FILL,RED);bar(198+j*20,95+i*20,198+j*20+5,95+i*20+5);setcolor(BLACK);line(198+j*20,95+i*20,198+j*20,95+i*20+10);MouseGetXY();MouseOn(MouseX,MouseY);} void DrawEmpty(int i,int j,int mode,int color)/*两种空格子的显示*/ { MouseOff();setcolor(color);setfillstyle(SOLID_FILL,color);if(mode==0)/*没有单击过的大格子*/ bar(200+j*20-8,100+i*20-8,200+j*20+8,100+i*20+8);else if(mode==1)/*单击过后显示空白的小格子*/ bar(200+j*20-7,100+i*20-7,200+j*20+7,100+i*20+7);MouseGetXY();MouseOn(MouseX,MouseY);} void GameBegain(void)/*游戏开始画面*/ { int i,j;cleardevice();if(gamePLAY!=1){ MouseSetXY(290,70);/*鼠标一开始的位置,并作为它的初始坐标*/ MouseX=290;MouseY=70;} gamePLAY=1;/*下次按重新开始的话鼠标不重新初始化*/ mineNUM=0;setfillstyle(SOLID_FILL,7);bar(190,60,390,290);for(i=0;i<10;i++)/*画格子*/ for(j=0;j<10;j++)DrawEmpty(i,j,0,8);setcolor(7);DrawSmile();/*画脸*/ randomize();for(i=0;i<10;i++)/*100个格子随机赋值有没有地雷*/ for(j=0;j<10;j++){ Mine[i][j].num=random(8);/*如果随机数的结果是1表示这个格子有地雷*/ if(Mine[i][j].num==1)mineNUM++;/*现有雷数加1*/ else Mine[i][j].num=2;Mine[i][j].flag=0;/*表示没红旗标志*/ } sprintf(randmineNUM,”%d“,mineNUM);/*显示这次总共有多少雷数*/ setcolor(1);settextstyle(0,0,2);outtextxy(210,70,randmineNUM);mineNUM=100-mineNUM;/*变量取空白格数量*/ } void GameOver(void)/*游戏结束画面*/ { int i,j;setcolor(0);for(i=0;i<10;i++)for(j=0;j<10;j++)if(Mine[i][j].num==1)/*显示所有的地雷*/ {

DrawEmpty(i,j,0,RED);setfillstyle(SOLID_FILL,BLACK);MouseOff();fillellipse(200+j*20,100+i*20,7,7);

MouseGetXY();MouseOn(MouseX,MouseY);} } void GameWin(void)/*显示胜利*/ { setcolor(11);settextstyle(0,0,2);outtextxy(230,30,”YOU WIN!“);} int MineStatistics(int i,int j)/*统计每个格子周围的雷数*/ { int nNUM=0;if(i==0&&j==0)/*左上角格子的统计*/ { if(Mine[0][1].num==1)nNUM++;if(Mine[1][0].num==1)nNUM++;if(Mine[1][1].num==1)nNUM++;} else if(i==0&&j==9)/*右上角格子的统计*/ { if(Mine[0][8].num==1)nNUM++;if(Mine[1][9].num==1)nNUM++;if(Mine[1][8].num==1)nNUM++;} else if(i==9&&j==0)/*左下角格子的统计*/ { if(Mine[8][0].num==1)nNUM++;if(Mine[9][1].num==1)nNUM++;if(Mine[8][1].num==1)nNUM++;} else if(i==9&&j==9)/*右下角格子的统计*/ { if(Mine[9][8].num==1)nNUM++;if(Mine[8][9].num==1)nNUM++;if(Mine[8][8].num==1)nNUM++;} else if(j==0)/*左边第一列格子的统计*/ { if(Mine[i][j+1].num==1)nNUM++;if(Mine[i+1][j].num==1)nNUM++;if(Mine[i-1][j].num==1)nNUM++;if(Mine[i-1][j+1].num==1)nNUM++;if(Mine[i+1][j+1].num==1)nNUM++;} else if(j==9)/*右边第一列格子的统计*/ { if(Mine[i][j-1].num==1)nNUM++;if(Mine[i+1][j].num==1)nNUM++;if(Mine[i-1][j].num==1)nNUM++;if(Mine[i-1][j-1].num==1)nNUM++;if(Mine[i+1][j-1].num==1)nNUM++;} else if(i==0)/*第一行格子的统计*/ { if(Mine[i+1][j].num==1)nNUM++;if(Mine[i][j-1].num==1)nNUM++;if(Mine[i][j+1].num==1)nNUM++;if(Mine[i+1][j-1].num==1)nNUM++;if(Mine[i+1][j+1].num==1)nNUM++;} else if(i==9)/*最后一行格子的统计*/ { if(Mine[i-1][j].num==1)nNUM++;if(Mine[i][j-1].num==1)nNUM++;if(Mine[i][j+1].num==1)nNUM++;if(Mine[i-1][j-1].num==1)nNUM++;if(Mine[i-1][j+1].num==1)nNUM++;} else/*普通格子的统计*/ { if(Mine[i-1][j].num==1)nNUM++;if(Mine[i-1][j+1].num==1)nNUM++;if(Mine[i][j+1].num==1)nNUM++;if(Mine[i+1][j+1].num==1)nNUM++;if(Mine[i+1][j].num==1)nNUM++;if(Mine[i+1][j-1].num==1)nNUM++;if(Mine[i][j-1].num==1)nNUM++;if(Mine[i-1][j-1].num==1)nNUM++;} return(nNUM);/*把格子周围一共有多少雷数的统计结果返回*/ } int ShowWhite(int i,int j)/*显示无雷区的空白部分*/ { if(Mine[i][j].flag==1||Mine[i][j].num==0)/*如果有红旗或该格处理过就不对该格进行任何判断*/ return;mineNUM--;/*显示过数字或者空格的格子就表示多处理了一个格子,当所有格子都处理过了表示胜利*/ if(Mine[i][j].roundnum==0&&Mine[i][j].num!=1)/*显示空格*/ { DrawEmpty(i,j,1,7);

Mine[i][j].num=0;} else if(Mine[i][j].roundnum!=0)/*输出雷数*/ { DrawEmpty(i,j,0,8);sprintf(randmineNUM,”%d“,Mine[i][j].roundnum);setcolor(RED);MouseOff();outtextxy(195+j*20,95+i*20,randmineNUM);MouseGetXY();MouseOn(MouseX,MouseY);Mine[i][j].num=0;/*已经输出雷数的格子用0表示已经用过这个格子*/ return;} /*8个方向递归显示所有的空白格子*/ if(i!=0&&Mine[i-1][j].num!=1)ShowWhite(i-1,j);if(i!=0&&j!=9&&Mine[i-1][j+1].num!=1)ShowWhite(i-1,j+1);if(j!=9&&Mine[i][j+1].num!=1)ShowWhite(i,j+1);if(j!=9&&i!=9&&Mine[i+1][j+1].num!=1)ShowWhite(i+1,j+1);if(i!=9&&Mine[i+1][j].num!=1)ShowWhite(i+1,j);if(i!=9&&j!=0&&Mine[i+1][j-1].num!=1)ShowWhite(i+1,j-1);if(j!=0&&Mine[i][j-1].num!=1)ShowWhite(i,j-1);if(i!=0&&j!=0&&Mine[i-1][j-1].num!=1)ShowWhite(i-1,j-1);} void GamePlay(void)/*游戏过程*/ { int i,j,Num;/*Num用来接收统计函数返回一个格子周围有多少地雷*/ for(i=0;i<10;i++)for(j=0;j<10;j++)Mine[i][j].roundnum=MineStatistics(i,j);/*统计每个格子周围有多少地雷*/ while(!kbhit()){ MouseStatus();if(LeftPress())/*鼠标左键盘按下*/ {

if(MouseX>280&&MouseX<300&&MouseY>65&&MouseY<85)/*重新来*/ {

gameAGAIN=1;break;} if(MouseX>190&&MouseX<390&&MouseY>90&&MouseY<290)/*当前鼠标位置在格子范围内*/ { j=(MouseX-190)/20;/*x坐标*/ i=(MouseY-90)/20;/*y坐标*/ if(Mine[i][j].flag==1)/*如果格子有红旗则左键无效*/ continue;if(Mine[i][j].num!=0)/*如果格子没有处理过*/ { if(Mine[i][j].num==1)/*鼠标按下的格子是地雷*/ {

GameOver();/*游戏失败*/ break;} else/*鼠标按下的格子不是地雷*/ {

Num=MineStatistics(i,j);if(Num==0)/*周围没地雷就用递归算法来显示空白格子*/ ShowWhite(i,j);else/*按下格子周围有地雷*/ { MouseOff();sprintf(randmineNUM,”%d",Num);/*输出当前格子周围的雷数*/ setcolor(RED);outtextxy(195+j*20,95+i*20,randmineNUM);mineNUM--;

MouseGetXY();MouseOn(MouseX,MouseY);}

Mine[i][j].num=0;/*点过的格子周围雷数的数字变为0表示这个格子已经用过*/ if(mineNUM<1)/*胜利了*/ { GameWin();break;} } } } } if(RightPress())/*鼠标右键键盘按下*/ {

if(MouseX>190&&MouseX<390&&MouseY>90&&MouseY<290)/*当前鼠标位置在格子范围内*/ { j=(MouseX-190)/20;/*x坐标*/ i=(MouseY-90)/20;/*y坐标*/

if(Mine[i][j].flag==0&&Mine[i][j].num!=0)/*本来没红旗现在显示红旗*/ { DrawRedflag(i,j);Mine[i][j].flag=1;} else if(Mine[i][j].flag==1)/*有红旗标志再按右键就红旗消失*/ { DrawEmpty(i,j,0,8);Mine[i][j].flag=0;} } delay(1000000);delay(1000000);delay(1000000);delay(1000000);delay(1000000);} } }

第四篇：c语言一朵花源代码

/////////////////////////////////////////////////// // 程序名称：一束漂亮的花

// 编译环境：Visual C++ 6.0 / 2010，EasyX 2011惊蛰版 // 作

者：yangw80 // 最后修改：2011-9-29 // #include #include #include

#define PI 3.14159265

// 画 花朵

void flower(int x, int y, COLORREF c){ int x1, y1, x2, y2;int d = 15;double e;setcolor(c);for(double a = 0;a < 2 * PI;a += PI / 360){ e = d *(1 + sin(a * 5));x1 = int(x + e * cos(a));y1 = int(y + e * sin(a));x2 = int(x + e * cos(a + PI / 5));y2 = int(y + e * sin(a + PI / 5));line(x1, y1, x2, y2);}

// 画 蝴蝶结

void tie(int x, int y, COLORREF c){ int x1, y1, x2, y2;} int d = 80;double e;setcolor(c);for(double a = 0;a < 2 * PI;a += PI / 360){ e = d *(1 + sin(a * 4));x1 = int(x + e * cos(a));y1 = int(y + e * sin(a)/ 2);x2 = int(x + e * cos(a + PI / 9));y2 = int(y + e * sin(a + PI / 9)/ 4.5);line(x1, y1, x2, y2);}

// 主函数 void main(){

// 画花朵

flower(320, 160, RED);flower(200, 120, YELLOW);flower(150, 140, LIGHTRED);flower(430, 176, RGB(255, 127, 0));flower(370, 110, RGB(239, 179, 52));flower(250, 72, RGB(235, 95, 186));initgraph(640, 480);

// 画枝干

setcolor(GREEN);line(189, 372, 180, 400);line(310, 160, 325, 68);line(310, 160, 187, 374);line(150, 140, 189, 374);line(430, 176, 190, 374);line(370, 110, 187, 374);line(250, 72, 189, 372);line(253, 192, 190, 374);line(189, 372, 187, 400);line(189, 372, 182, 400);line(189, 372, 200, 120);}

} flower(325, 68, RGB(228, 119, 98));flower(253, 190, RGB(247, 169, 117));// 画蝴蝶结

tie(195, 354, LIGHTMAGENTA);

// 按任意键退出 getch();closegraph();

第五篇：C语言课程设计火车票系统源代码

#include #include #include //火车票结构体类型// typedef struct Node {int num;

//编号// char name[20];

//起点和终点// char time[5];

//出发时间// int price;

//车票价格// int amount;

//剩余数量// struct Node *next;}Node;//创建链表并输入数据// struct Node *creat(){ struct Node *head,*r,*s;

int i=0;

char choice;

head=(struct Node *)malloc(sizeof(struct Node));head->next=NULL;r=head;do {

s=(struct Node *)malloc(sizeof(struct Node));s->next=NULL;printf(“请输入第%d种火车票的信息:n”,++i);printf(“请输入火车的编号:”);

scanf(“%d”,&s->num);

printf(“起点和终点:”);scanf(“%s”,s->name);printf(“出发时间:”);scanf(“%s”,s->time);printf(“车票价格:”);scanf(“%d”,&s->price);printf(“剩余数量:”);scanf(“%d”,&s->amount);

r->next=s;

r=s;

printf(“Continue?(Y/N)”);scanf(“%s”,&choice);}while(choice=='Y'||choice=='y');

r->next=NULL;return(head);} //将单链表中的信息保存到文件1.txt中// void save(struct Node *h){

struct Node *s;FILE *fp;

char filename[10]=“1.txt”;

fp=fopen(“1.txt”,“wt”);if(fp==NULL){

printf(“n写文件出错，按任意键退出！”);getchar();exit(1);}

for(s=h->next;s!=NULL;s=s->next)

fprintf(fp,“%d %s %s %d %d n”,s->num,s->name,s->time,s->price,s->amount);

getchar();fclose(fp);} // 从文件1.txt中读取信息并存入单链表中// struct Node *read(){ struct Node *head,*r,*s;FILE *fp;char filename[10]=“zl.txt”;fp=fopen(“1.txt”,“rt”);if(fp==NULL){

printf(“读文件错误，按任意键退出！”);getchar();exit(1);} head=(struct Node *)malloc(sizeof(struct Node));head->next=NULL;r=head;while(!feof(fp)){

s=(struct Node *)malloc(sizeof(struct Node));fscanf(fp,“%d %s %s %d %d”,&s->num,s->name,s->time,&s->price,&s->amount);

r->next=s;r=s;

} r->next=NULL;fclose(fp);

return head;} //将链表中的数据输出// void print(struct Node *h){

struct Node *s;

printf(“n火车票信息如下:n”);

printf(“~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~n”);printf(“编号

起点和终点

出发时间

车票价格

剩余票数：n”);

for(s=h->next;s->next!=NULL;s=s->next){ printf(“ %d

%10s

%5s %10d %6dn”,s->num,s->name,s->time,s->price,s->amount);} } //链表查询// struct Node * find(struct Node *h){ int i,j;char s[20];printf(“tt

查询方法有以下几种:n”);printf(“tt

1.火车票编号n”);printf(“tt

2.起点和终点n”);printf(“tt

3.出发时间n”);printf(“tt

4.车票价格n”);printf(“tt

5.剩余票数n”);printf(“请输入您要查询的方法的序号:”);scanf(“%d”,&i);switch(i){ case 1:printf(“请输入你要查询火车票的编号:”);scanf(“%d”,&j);

while(h->next!=NULL)

{

h=h->next;

if(h->num==j)return h;

}

return NULL;break;case 2:printf(“请输入您要查询火车票的起点和终点:”);scanf(“%s”,s);while(h->next!=NULL){

h=h->next;if(strcmp(h->name,s)==0)

return h;

} return NULL;break;case 3:printf(“请输入您要查询火车票的时间:”);

scanf(“%s”,s);

while(h->next!=NULL)

{

h=h->next;

if(strcmp(h->time,s)==0)

return h;

}

return NULL;

break;case 4:printf(“请输入你要查询火车票的价格 :”);scanf(“%d”,&j);

while(h->next!=NULL)

{

h=h->next;

if(h->price==j)

return h;

}

return NULL;

break;case 5:printf(“请输入你要查询火车票的剩余票数:”);scanf(“%d”,&j);

while(h->next!=NULL)

{

h=h->next;

if(h->amount==j)

return h;

} return NULL;

break;} } //修改信息// change(struct Node *h,int k){ int j;struct Node *p;p=find(h);printf(“------------n”);printf(“t

您要修改哪一项？n”);printf(“t

1.火车编号n”);printf(“t

2.起点和终点n”);printf(“t

3.出发时间n”);printf(“t

4.车票价格n”);

printf(“t

5.剩余票数n”);printf(“t

0.退出系统n”);

printf(“------------n”);printf(“请输入您要修改项的编号:”);scanf(“%d”,&j);switch(j)

{ case 1:

printf(“修改后的火车编号:”);

scanf(“%d”,&p->num);

break;

case 2:

printf(“修改后的起点和终点:”);

scanf(“%s”,p->name);

break;

case 3:

printf(“修改后的出发时间:”);

scanf(“%s”,p->time);

break;

case 4:

printf(“修改后的车票价格:”);

scanf(“%d”,&p->price);

break;

case 5:

printf(“修改后的剩余票数:”);

scanf(“%d”,&p->amount);

break;

case 0:break;} } //删除信息// delete(struct Node *h){ struct Node *p;

int j;

printf(“请输入您要删除的火车票的编号:”);scanf(“%d”,&j);p=h->next;

if(p==NULL)

return 0;while(p!=NULL){ if(p->num==j){

h->next=p->next;

free(p);

return 1;} h=p;p=p->next;

} return 0;} //添加信息// void append(){

struct Node *p;

FILE *fp;

fp=fopen(“1.txt”,“at+”);

if(fp==NULL)

{

printf(“写文件出错，按任意键返回.n”);getchar();exit(1);

}

printf(“请输入要添加的火车票的信息:火车编号，起点和终点，出发时间，车票价格，剩余票数:n”);scanf(“%d%s%s%d%d”,&p->num,p->name,p->time,&p->price,&p->amount);fprintf(fp,“%d %s %s %d %dn”,p->num,p->name,p->time,p->price,p->amount);getchar();fclose(fp);} //数据的统计// void count(struct Node *h){ struct Node *s;s=h;int i,j,k,n=0;printf(“*****************************************************************************n”);

printf(“tt

请选择您要统计项目的序号:n”);

printf(“tt

1.车票价格n”);

printf(“tt

2.剩余票数n”);printf(“tt

0.退出界面n”);

scanf(“%d”,&i);switch(i)

{

case 1:

printf(“请输入您要统计车票的价格的标准:”);

scanf(“%d”,&j);

printf(“tt

请选择低于或高于标准:n”);

printf(“tt

1.价格低于%d的个数n”,j);

printf(“tt

2.价格高于%d的个数n”,j);

scanf(“%d”,&k);

if(k==1)

{

for(s=h->next;s->next!=NULL;s=s->next)

if(s->price

n++;

printf(“车票价格低于%d的个数有%d个.n”,j,n);

}

else

{

for(s=h->next;s->next!=NULL;s=s->next)

if(s->price>j)

n++;

printf(“车票价格低于%d的个数有%d个.n”,j,n);

}

break;

case 2:

printf(“请输入您要统计剩余票数的数量:”);

scanf(“%d”,&j);

printf(“tt

请选择低于或高于所输票数:n”);

printf(“tt

1.票数低于%d的个数n”,j);

printf(“tt

2.票数高于%d的个数n”,j);

scanf(“%d”,&k);

if(k==1)

{

for(s=h->next;s->next!=NULL;s=s->next)

if(s->amount

n++;

printf(“剩余票数低于%d的个数有%d个.n”,j,n);

}

else

{

for(s=h->next;s->next!=NULL;s=s->next)

if(s->amount>j)

n++;

printf(“剩余票数高于%d的个数有%d个.n”,j,n);

}

break;

case 0:break;

} } //保存用户和密码到文件2.txt中// void save_user(){

char file[10]=“2.txt”;FILE *fp;char name[20];char pwd[10];fp=fopen(“2.txt”,“at+”);if(fp==NULL){ printf(“n写文件出错，按任意键退出.n”);

getchar();exit(1);} printf(“请输入用户名:”);

scanf(“%s”,name);printf(“请输入密码:”);

scanf(“%s”,pwd);

fprintf(fp,“%s %sn”,name,pwd);

getchar();

fclose(fp);

printf(“用户注册成功！n”);} //检验用户和密码是否匹配// int check(char *name,char *pwd){ char name1[20];char pwd1[10];FILE *fp;char file[10]=“2.txt”;if((fp=fopen(“2.txt”,“rt”))==NULL){

printf(“读文件出错，按任意键退出！n”);

getchar();

exit(1);}

while(!feof(fp)){

fscanf(fp,“%s %s”,name1,pwd1);

if(strcmp(name1,name)==0&&strcmp(pwd1,pwd)==0)

return 1;} return 0;} //数据排序// void sort(struct Node *h){ struct Node *s,*p,*m,*n;int t,t1,t2,t3;char s1[20];char s2[10];

printf(“车票价格由小到大排序如下:n”);for(s=h->next;s->next!=NULL;s=s->next)for(p=s->next;p->next!=NULL;p=p->next)

if(s->price>p->price)

{

t1=s->num;s->num=p->num;p->num=t1;

t2=s->price;s->price=p->price;p->price=t2;

t3=s->amount;s->amount=p->amount;p->amount=t3;

strcpy(s1,s->name);strcpy(s->name,p->name);strcpy(p->name,s1);

strcpy(s2,s->time);strcpy(s->time,p->time);strcpy(p->time,s2);

}

print(h);printf(“nn剩余车票数量由多到少排序如下:n”);for(s=h->next;s->next!=NULL;s=s->next)

for(p=s->next;p->next!=NULL;p=p->next)

if(s->amount

amount)

{

t1=s->num;s->num=p->num;p->num=t1;

t2=s->price;s->price=p->price;p->price=t2;

t3=s->amount;s->amount=p->amount;p->amount=t3;

strcpy(s1,s->name);strcpy(s->name,p->name);strcpy(p->name,s1);

strcpy(s2,s->time);strcpy(s->time,p->time);strcpy(p->time,s2);

} print(h);} void main(){ struct Node *head,*p;int i,j,k;head=(struct Node *)malloc(sizeof(struct Node));head->next=NULL;char name[20];char pwd[10];printf(“n***************欢迎进入火车票管理系统******************n”);printf(“tt 1.用户登录n”);printf(“tt 2.用户注册n”);printf(“tt 0.退出系统 n”);printf(“请输入所选序号:”);scanf(“%d”,&k);

switch(k){ case 1: printf(“请输入用户名:”);

scanf(“%s”,name);

printf(“请输入密码:”);

scanf(“%s”,pwd);

if(check(name,pwd))

{

printf(“密码正确.n”);

do

{

printf(“nntt*********************欢迎进入火车票管理系统***********************n”);

printf(“tt

1.录入火车票信息tt

2.添加火车票信息n”);

printf(“tt

3.修改火车票信息tt

4.删除火车票信息n”);

printf(“tt

5.打印火车票信息tt

6.查询火车票信息n”);

printf(“tt

7.统计火车票信息tt

8.火车票销售排行n”);

printf(“tt

0.退出系统n”);

printf(“请输入您要进入菜单的序号(0-8)：”);

scanf(“%d”,&i);

switch(i)

{

case 1:

printf(“请录入火车票信息nn”);

head=creat();

save(head);

head=read();

break;

case 2:

append();

break;

case 3:

printf(“请输入您要修改的火车票的编号:”);

scanf(“%d”,&j);

change(head,j);

save(head);

break;

case 4:

head=read();

if(delete(head))

{

printf(“已正确删除！n”);

save(head);

}

else

printf(“要删除的结点不存在！n”);

break;

case 5:

head=read();

print(head);

break;

case 6:

printf(“请输入您要查询火车票的编号(以0结束):”);

scanf(“%d”,&j);

{

p=find(head);

printf(“编号

起点和终点

出发时间

车票价格

剩余票数：n”);

printf(“%d

%10s

%5s %10d %6dn”,p->num,p->name,p->time,p->price,p->amount);

printf(“请继续输入序号(以0结束):”);

scanf(“%d”,&j);

}

break;

case 7: head=read();count(head);break;

case 8: sort(head);break;

case 0: printf(“************************用!*****************************n”);break;

}

}while(i!=0);

}

else

printf(“密码错误或用户名不存在.n”);

break;case 2:save_user();break;case 0:break;}

谢

谢

使