# 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);//修改
printf("a1 = %d, a2 = %d, a3 = %d\n", a1,a2,a3);

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

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

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 c, f;

while(scanf("%lf",&c)!=EOF)
{
f = 9/5*c+32;
printf("摄氏度c = %.2f时,华氏度f = %.2f\n",c,f);
printf("\n");
}

return 0;
}

#include<stdio.h>
int main()
{
char light;

while(scanf("%c",&light)!=EOF){
getchar();
switch(light){
case'r':printf("stop!\n");break;
case'g':printf("go go go\n");break;
case'y':printf("wait a minute\n");break;
default:printf("something must be wrong...\n");break;
}
}
return 0;
}

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

#define N 3
#define R1 1
#define R2 30
int main()
{
int n1,n2,i,flag;

srand(time(0));
flag=0;

n1 = rand()%(R2-R1+1)+R1;
printf("猜猜2023年4月哪一天会是你的lucky day\n");
printf("开始喽，你有三次机会，猜吧（1-30）：");

for(i=1;i<=N;i++)
{
scanf("%d",&n2);
if(n2==n1){
printf("哇，猜中了：-\n");
break;
}
else if(n2>n1)
printf("你猜的日期晚了，你的lucky day已经过啦\n");
else
printf("你猜的日期早了，你的lucky day还没到呢\n");
printf("再猜(1-30):");
flag++;
}
if(flag==3)
printf("次数用完啦，偷偷告诉你：4月，你的lucky day是%d号\n",n1);

return 0;
}

#include<stdio.h>
int main()
{
int line,column;
for(line=1;line<=9;line++){
for(column=1;column<=line;column++){
printf("%d*%d=%d\t",column,line,line*column);
}
printf("\n");
}
return 0;
}

#include<stdio.h>
int main()
{
int n,i,j;
printf("input 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");
}
return 0;
}

posted @ 2023-03-19 11:17  玥下秋风  阅读(5)  评论(0编辑  收藏  举报