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  • c语言中switch语句

    1、

    #include <stdio.h>
    
    int main(void)
    {
        int i;
        puts("please input an integer.");
        printf("i = "); scanf("%d", &i);
        
        if (i % 3 == 0)
            puts("can be devided");
        else
        {
            if (i % 3 == 1)
                puts("remainder is 1.");
            else
                puts("remainder is 2.");
        }
        return 0;
    }

    #include <stdio.h>
    
    int main(void)
    {
        int i;
        puts("please input an integer.");
        printf("i = "); scanf("%d", &i);
        
        switch (i % 3)
        {
            case 0 : puts("can be devided."); break;
            case 1 : puts("remainder is 1."); break;
            case 2 : puts("remainder is 2."); break;
        }
        return 0;
    }

    2、

    #include <stdio.h>
    
    int main(void)
    {
        int i;
        puts("please input an integer.");
        printf("i = "); scanf("%d", &i);
        
        switch (i)
        {
            case 1 : puts("a"); puts("b"); break;
            case 2 : puts("c");
            case 3 : puts("d"); break;
            case 4 : ; break;
            case 5 : puts("e"); break;
            case 6 : 
            case 7 : puts("f"); break;
            default : puts("g"); break;
        }
        return 0;
    }

    3、

    #include <stdio.h>
    
    int main(void)
    {
        int i;
        puts("please input an month.");
        printf("i = "); scanf("%d", &i);
        
        switch (i)
        {
            case 3 : puts("spring"); break;
            case 4 : puts("spring"); break;
            case 5 : puts("spring"); break;
            case 6 : puts("summer"); break;
            case 7 : puts("summer"); break;
            case 8 : puts("summer"); break;
            case 9 : puts("autumn"); break;
            case 10 : puts("autumn"); break;
            case 11 : puts("autunm"); break;
            case 12 : puts("winter"); break;
            case 1 : puts("winter"); break;
            case 2 : puts("winter"); break;
            default : puts("not exist"); break;
        }
        return 0;
    }
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  • 原文地址:https://www.cnblogs.com/liujiaxin2018/p/14227539.html
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