RitaZhong

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实验2

实验一

程序源码:

#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);
     }
     system("pause");
     return 0;
}

 

程序运行:

 

 实验2

程序源码:

#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); /*没加&符号*/
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); /*应该用lf 而不是f*/
printf("x = %lf, y = %lf\n", x, y);
system("pause");


return 0;
}

 

 程序运行:

task3

程序源码:

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

int main() {
    
    double x, ans;
    
    while(scanf("%lf", &x) != EOF) {
        ans = pow(x, 356);
        printf("%.2f的365次方:%.2f\n", x, ans);
        printf("\n");
    }
    system("paise");

    return 0;
} 

程序运行:

程序源码:

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

int main() {
    
    double x, ans;
    
    while(scanf("%lf", &x) != EOF) {
        ans = 9.0 / 5 * x + 32;
        printf("摄氏度%.2f时,华氏度%.2f\n", x, ans);
        printf("\n");
    }
    system("pause");
    return 0;
} 

程序运行:

 

task4

程序源码:

#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;
}

程序运行:

 

task5

程序源码:

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

int main() {
    
    srand(time(0));
    
    int d = rand() % 30 + 1;
    
    printf("猜猜2023年4月哪一天会是你的lucky day\n\n");
    printf("开始喽,你有三次机会,猜吧(1~30):");
    
    int x;
    scanf("%d", &x);
    printf("\n");
    
    if(x == d) {
        printf("哇,猜中了:~)");
    } 
    else {
        if(x < d) { printf("你的日期猜早了,你的lucky day还没到呢\n\n"); }
        if(x > d) { printf("你的日期猜晚了,你的lucky day已经过了\n\n"); }
        printf("再猜(1~30):");
        scanf("%d", &x);
        printf("\n");
        
        if(x == d) {
            printf("哇,猜中了:~)");
        } 
        else {
            if(x < d) { printf("你的日期猜早了,你的lucky day还没到呢\n\n"); }
            if(x > d) { printf("你的日期猜晚了,你的lucky day已经过了\n\n"); }
            printf("再猜(1~30):");
            scanf("%d", &x);
            printf("\n");
        
            if(x == d) {
                printf("哇,猜中了:~)");
            } 
            else {
                if(x < d) { printf("你的日期猜早了,你的lucky day还没到呢\n\n"); }
                if(x > d) { printf("你的日期猜晚了,你的lucky day已经过了\n\n"); }
                printf("次数用完了,偷偷告诉你:4月,你的lucky day是%d号", d);
            }
        }
    }
    
    system("pause");
    return 0;
}

程序运行:

 

task6

程序源码:

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

程序运行:

 

task7:

程序源码:

#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;
}

程序运行:

posted on 2023-03-21 15:13  AAA今晚不熬夜  阅读(24)  评论(0编辑  收藏  举报