ICode9

精准搜索请尝试: 精确搜索
首页 > 其他分享> 文章详细

实验二

2022-04-19 00:31:24  阅读:41  来源: 互联网

标签:rand include int scanf 实验 printf main


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

#define N 5
int main()
{
int grade, number;
int i;
srand(time(0));
for (i = 0; i < N; i++)
{
grade = rand() % 4 + 2018;//2018~2021年
number = rand() % 999 + 1;//末尾三位是1~999
printf("%d8330%04d\n", grade, number);
}

return 0;
}

程序功能:在2018~2021级同学中随机抽取5人

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main(){
int x,n,ans;
srand(time(0));
x=rand()%30+1;
printf("猜猜2022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(n=1;n<=3;n++){
scanf("%d",&ans);
if(ans==x){
printf("哇,猜中了");
break;}

else if(ans<x){
printf("你猜的日期早了,你的lucky day还没到呢。");
}
else if(ans>x){
printf("你猜的日期晚了,你的lucky day已经过了。");
}
if(n<=2){
printf("\n再猜(1~30):");
}
}
if(n==4){
printf("\n次数已经用完了,偷偷告诉你你的lucky day是4月%d号",x);
}

return 0;
}

#include <stdio.h>

int main()
{
char x;
while(scanf("%c",&x)!= EOF)
{
if (x == 'r')
{
printf("stop!\n");
}
else if (x == 'g')
{
printf("go go go\n");
}
else if (x == 'y')
{
printf("wait a minute\n");
}
else
printf("something must be wrong...\n");
getchar();
}
return 0;
}

#include <stdio.h>
#include <math.h>
int main()
{
int i,n,a;
printf("n=?,a=?\n");
while(scanf("%d%d",&n,&a)!= EOF)
{
float d=0.0,s=0.0;
for(i=1;i<=n;i++)
{
d+=a*pow(10,i-1);
s+=i/d;
}
printf("n = %d, a = %d, s= %f\n",n,a,s);
printf("n=?,a=?\n");
}
return 0;
#include <stdio.h>

int main()
{
int column,line;
for(column=1;column<=9;column++)
{
for(line=1;line<=column;line++)
{
printf("%dx%d=%2d ",line,column,line*column);
}
printf("\n");
}
return 0;
}

6.1

#include <stdio.h>

int main()
{
int j,i;
printf("input n:");
scanf("%d",&i);
for(j=1;j<=i;j++)
{
printf(" o \n");
printf("<H>\n");
printf("I I\n\n");
}
return 0;
}

6.2

#include <stdio.h>

int main()
{
int i,j;
printf("input n:");
scanf("%d",&i);

for(j=1;j<=i;j++)
{
printf(" o ");

}
printf("\n");


for(j=1;j<=i;j++)
{
printf("<H> ");

}
printf("\n");


for(j=1;j<=i;j++)
{
printf("I I ");

}
printf("\n");

return 0;
}

6.3

#include<stdio.h>
int main()
{
int N,m,n,a;
printf("input n:");
scanf("%d", &N);
for (m = 1; m <= N; m++)

{
for (n = 0; n <= m; n++)
printf("\t");

for (a = 0; a < N * 2 + 1 - m * 2; a++)
printf(" o \t");
printf("\n");

for (n = 0; n <= m; n++)
printf("\t");

for (a = 0; a < N * 2 + 1 - m * 2; a++)
printf("<H>\t");
printf("\n");

for (n = 0; n <= m; n++)
printf("\t");

for (a = 0; a < N * 2 + 1 - m * 2; a++)
printf("I I\t");
printf("\n");

}
return 0;
}

 

 

标签:rand,include,int,scanf,实验,printf,main
来源: https://www.cnblogs.com/lylp1024/p/16163528.html

专注分享技术,共同学习,共同进步。侵权联系[admin#icode9.com]

Copyright (C)ICode9.com, All Rights Reserved.

ICode9版权所有