experiment2

标签：include int scanf experiment2 %. printf main

task1.c

#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;
}

问题一：为了生成一个586到701的随机数

问题二：生成5个202283300586到202283300701的随机学号

 

task2.c

#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;
}

 

task3.c 

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

int main()
{
    double x,ans;
    
    scanf("%lf",&x);
    ans = pow(x, 365);
    printf("%.2f的365次方： %.2f\n",x, ans);
    
    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*c/5 + 32;
       printf("摄氏度c=%.2f时，华氏度f=%.2f\n",c,f);
       printf("\n");
    }
    return 0;
}

 

task4.c 

#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;
}

 

task5.c 

#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;
}

 

task6.c 

#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;
}

 

task7.c 

#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;
}

 

标签：include,int,scanf,experiment2,%.,printf,main
From： https://www.cnblogs.com/20030907Z/p/17223531.html