# 实验2

#include<stdio.h>
#include<stdlib.h>
#include<time.h>

#define N 5
#define R1 586
#define R2 701

int main()
{
int number;
int i;

srand( time(0) );

for (i = 0;i < N; ++i)
{
number = rand() % (R2 - R1 + 1)+ R1;
printf("20228330%04d\n", number);
}

return 0;
} 

#include<stdio.h>

int main()
{
double x, y;
char c1, c2, c3;
int a1, a2, a3;

scanf("%d%d%d", &a1, &a2, &a3);
printf("a1 = %d, a2 = %d, a3 = %d\n", a1, a2, a3);

scanf("%c%c%c", &c1, &c2, &c3);
printf("c1 = %c, c2 = %c, c3 = %c\n", c1, c2, c3);

scanf("%lf,%lf", &x, &y);
printf("x = %lf, y = %lf\n",x, y);

return 0;
}

#include<stdio.h>
#include<math.h>

int main()
{
double x, ans;

while(scanf("%lf", &x) != EOF)
{
ans = pow(x, 365);
printf("%.2f的365次方：%.2f\n", x, ans);
printf("\n");
}

return 0;
}

#include<stdio.h>
#include<math.h>

int main()
{
double x, y;

while(scanf("%lf", &x) != EOF)
{
y = 9.0 * x / 5.0 + 32;
printf("摄氏度从= %.2f，华氏度f = %.2f\n", x, y);
printf("\n");
}

return 0;

}

#include<stdio.h>

int main()
{
char x;
while (scanf("%c", &x, 1) != EOF)
{
getchar();
switch (x)
{
case 'r':printf("stop\n");break;
case 'y':printf("wait a minute\n");break;
case 'g':printf("go go go\n");break;
default :printf("something must be wrong...\n");break;
}
}

return 0;
}

#include <time.h>
#include <stdlib.h>

int main()
{
int num, i, n;
srand(time(0));
num = rand() % 30 + 1;

printf("猜猜2023年4月哪一天是你的lucky day\n");

printf("开始喽，你有三次机会，猜吧（1~30）：");

scanf("%d", &n);

for(i=1;i<3;i++)
{
if (n > num)
printf("你猜的日期晚了，你的lucky day已经过了\n");
else if (n < num)
printf("你猜的日期早了，你的lucky day还没到呢\n");
else
{
printf("哇，猜中了:-)");
break;
}

printf("再猜（1~30）：");
scanf("%d", &n);
}
if (n != num)
printf("次数用完啦。偷偷告诉你：4月，你的lucky day是%d号",num);

return 0;
}

#include<stdio.h>
int main()
{
int line, column;

for(line=1;line<10;line++)
{
for(column=1;column<line+1;column++)

printf("%d*%d=%d ",column,line,line*column);

printf("\n");
}

return 0;
}

#include<stdio.h>
#include<stdlib.h>
int main()
{
int n,i,j;
printf("input n:",n);
scanf("%d",&n);

for(i=1;i<=n;i++){
for(j=1;j<i;j++)
printf("\t");
for(j=1;j<=2*(n-i)+1;j++)
printf(" O \t");
printf("\n");
for(j=1;j<i;j++)
printf("\t");
for(j=1;j<=2*(n-i)+1;j++)
printf("<H>\t");
printf("\n");
for(j=1;j<i;j++)
printf("\t");
for(j=1;j<=2*(n-i)+1;j++)
printf("I I\t");
printf("\n");
}
system("pause");
return 0;
}

posted @ 2023-03-22 21:55  o海滩长颈鹿o  阅读(4)  评论(0编辑  收藏  举报