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weixin_57648053
坤不叫我不睡
4 年前
trueweixin_57648053

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8.输入数字打印星期，主要是switch的认识

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
    int day = 0;
    while (1)
    {
        scanf("%d", &day);
        switch (day)
        {
        case 1:
            printf("星期一"); break;
        case 2:
            printf("星期二"); break;

        case 3:
            printf("星期三"); break;

        case 4:
            printf("星期四"); break;

        case 5:
            printf("星期五"); break;

        case 6:
            printf("星期六"); break;

        case 7:
            printf("星期七"); break;

        }
    }
    return 0;
}
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打卡6.另一种方法求阶乘之和#define _CRT_SECURE_NO_WARNINGS 1#include<stdio.h>int main(){    int i = 1;    int n = 0;    int j = 1;    int k = 1;    int c = 0;        scanf("%d", &k);        for (n = 1; n < k + 1; n++)        {            for (i = 1,j=1; i < n + 1; i++)            {                j = j * i;            }                c += j;        }        printf("%d\n", c);    return 0;}7.输入密码并确认#define _CRT_SECURE_NO_WARNINGS 1#include<stdio.h>int main(){    int ch=0;    char password[20] = {0};    printf("请输入密码\n");    scanf("%s", &password);    while ((ch = getchar()) != '\n')    {        printf("加载中...");    }    printf("请确认（Y/N）\n");    ch = getchar();    if (ch== 'y')        printf("确认成功");    else        printf("取消确认");    return 0;}