shiyan 2

标签：lf include shiyan int scanf printf main

#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;
    
}

task1

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

int main()
{
    double x,ans;
    
    scanf("%lf",&x);
    ans = pow(x,365);
    printf("%.2fµÄ365´Î·½£º%.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("%.2fµÄ365´Î·½:%.2f\n",x,ans);
        printf("\n");
    }
    return 0;
    
}

task2

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

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

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

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

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


return 0;
}

task3

 

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

int main()
{
    double c,F;
    
    while(scanf("%lf",&c)!=EOF)
    {
        F=c*9/5+32;
        printf("ÉãÊ϶Èc=%.2fʱ£¬»ªÊ϶Èf=%.2f\n",c,F);
        printf("\n");
    }
    return 0;
    
}

task3.2

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

task4

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

int main() {
    int i,x,d;
    srand(time(0));
    d=rand()%30+1;
    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）：");
    scanf("%d",&x);
    for(i=1;i<=3;i++)
    {
        if(x==d)
        {
            printf("噫，中了");
            break;
        }
        else if(x < d)
        {
        printf("你的日期猜早了，你的lucky day还没到呢\n"); 
        scanf("%d", &x);
        printf("\n");
        continue;
        }
        else
        {
        printf("你的日期猜晚了，你的lucky day已经过了\n"); 
        printf("再猜（1~30）：");
        scanf("%d", &x);
        printf("\n");
        continue;
    }
    }

     printf("你的次数用完了，偷偷告诉你：4月，你的lucky day是%d号", d);

}

task5

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

int main() {
    int i, j;
    
    for(i = 1;i <= 9; i++) {
        for(j = 1;j <= i; j++) {
            printf("%d*%d =%3d ", j, i, j * i);
        } 
        printf("\n");
    }
    system("pause");
    return 0;
}

task6

#include<stdio.h>
#include<stdlib.h>
int main() {
    
    int n;
    
    printf("input n:");
    scanf("%d", &n);
    
    for(int i = 1;i <= n; i++) {
        for(int k = 1;k <= 3; k++) {
            for(int j = 1;j <= i - 1; j++) {
                printf("      ");
            }
            for(int j = 1;j <= 2 * (n - i) + 1; j++) {
                if(k == 1) printf(" O    ");
                if(k == 2) printf("<H>   ");
                if(k == 3) printf("I I   ");
            }
            printf("\n");
        }
    }
    system("pause");
    return 0;
}

task7

 

标签：lf,include,shiyan,int,scanf,printf,main
From： https://www.cnblogs.com/nbb233/p/17223569.html