#include <stdio.h>

int main(void)
{
    int c, e, f;
   
    printf("---计算余数程序---\n\n");
    printf("请填写被除数\t");
    scanf("%d", &c);
    printf("\n");
   
    printf("请填写除数\t");
    scanf("%d", &f);
    printf("\n");
   
    e = c % f;
    if(e == 1)
        printf("i love you");
    else
        printf("计算结果\t%d", e);
   
    getchar();
    getchar();
    return 0;
}

此刻我的心情无比的激动！！！

收到的鲜花

• lonmaor 于 2010-02-08 16:04 送鲜花  20朵   附言：我很赞同
• pgy 于 2010-03-21 01:37 送鲜花  1朵   附言：原来不是hello C= =！
• longlong89 于 2010-03-21 12:44 送鲜花  10朵   附言：呵呵，加油。

#include <stdio.h>

int main(void)
{
    int c, e, f;
    int pc;
   
    scanf("%d", pc);
   
    if(pc == 1)
        printf("---计算余数程序---\n\n");
        printf("请填写被除数\t");
        scanf("%d", &c);
        printf("\n");
   
        printf("请填写除数\t");
        scanf("%d", &f);
        printf("\n");
   
        e = c + f;
        if(e == 1)
            printf("i love you");
        else
            printf("计算结果\t%d", e);
    else if(pc == 2)
        printf("---计算余数程序---\n\n");
        printf("请填写被除数\t");
        scanf("%d", &c);
        printf("\n");
   
        printf("请填写除数\t");
        scanf("%d", &f);
        printf("\n");
   
        e = c - f;
        if(e == 1)
            printf("i love you");
        else
            printf("计算结果\t%d", e);
    else if(pc == 3)
        printf("---计算余数程序---\n\n");
        printf("请填写被除数\t");
        scanf("%d", &c);
        printf("\n");
   
        printf("请填写除数\t");
        scanf("%d", &f);
        printf("\n");
   
        e = c * f;
        if(e == 1)
            printf("i love you");
        else
            printf("计算结果\t%d", e);
    else if(pc == 4)
        printf("---计算余数程序---\n\n");
        printf("请填写被除数\t");
        scanf("%d", &c);
        printf("\n");
   
        printf("请填写除数\t");
        scanf("%d", &f);
        printf("\n");
   
        e = c / f;
        if(e == 1)
            printf("i love you");
        else
            printf("计算结果\t%d", e);
    else
        printf("对不起，输入错误!");
   
    getchar();
    getchar();
    return 0;
}

为什么他说我else if 这里出错？

不对啊，加了大括号也不行，输入1，直接跳到else这里去了

为什么每次都是输入错误？？？

哦，我知道了，第一个scanf()少了个&哈哈哈