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  • 实验二(18网三43号袁昳)

    #include <stdio.h>
    int main()
    {
    char a,b,c,d,e;
    a=getchar();
    b=getchar();
    c=getchar();
    d=getchar();
    e=getchar();
    putchar(a);
    putchar(b);
    putchar(c);
    putchar(d);
    putchar(e);
    printf("
    ");
    return 0;
    }

    #include <stdio.h>
    int main()
    {
    int year,month,days;
    month=2;
    printf("input the year:");
    scanf("%d",&year);
    if ((year%4==0&&year%100!=0)||(year%400==0&&year%100==0))
    {
        days=29;
        printf("year:%d,month:2,days:%d
    ",year,days);
    }
    
    else
    {
        days=28;
        printf("year:%d,month:2,days:%d
    ",year,days);
    }
    
    return 0;
    }

    #include <stdio.h>
    int main()
    {
    int a,b,c;
    printf("input a:");
    scanf("%d",&a);
    printf("input b:");
    scanf("%d",&b);
    printf("input c:");
    scanf("%d",&c);
    
    if (a+b>c&&a+c>b&&b+c>a)
    {
        if(a==b||a==c||b==c)
        {
            if(a==b&&b==c&&a==c)
            {    
                printf("等边三角形
    ");
            }
            else
            {
                printf("等腰三角形
    ");
            }
        }
        
    
        else if(a*a+b*b==c*c||a*a+c*c==b*b||b*b+c*c==a*a)
        {
            printf("直角三角形
    ");
        }
        else
        {
            printf("一般三角形
    ");
        }
    }
    
    else
    {
        printf("无法组成三角形
    ");
    }
    return 0;
    }

    #include <stdio.h>
    int main()
    {
    double a,rate,tax,profit;
    printf("input a:");
    scanf("%lf",&a);
    if (a<500)
    {
        rate=0.00;
    }
    else if (a>=500&&a<1000)
    {
        rate=0.05;
    }
    else if (a>=1000&&a<2000)
    {
        rate=0.08; 
    }
    else if (a>=2000&&a<5000)
    {
        rate=0.10;
    }
    else if (5000<=a)
    {
        rate=0.15; 
    }
    tax=a*rate;
    profit=a-tax;
    printf("a=%lf ",a);
    printf("rate=%lf ",rate);
    printf("tax=%lf ",tax);
    printf("profit=%lf ",profit);
    return 0;
    }
    #include <stdio.h>
    int main()
    {
    double a,rate,tax,profit;
    printf("input a:");
    scanf("%lf",&a);
    
    if (a>=5000)
    {
    rate=0.15;
    }
    int b;
    b=a;
    switch (b/500)
    {
        case 0:
            rate=0.00;
            break;
        case 1:
            rate=0.05;
            break;
        case 2:
            rate=0.08;
            break;
        case 3:
            rate=0.08;
            break;
        case 4:
            rate=0.10;
            break;
        case 5:
            rate=0.10;
            break;
        case 6:
            rate=0.10;
            break;
        case 7:
            rate=0.10;
            break;
        case 8:
            rate=0.10;
            break;
        case 9:
            rate=0.10;
            break;
    }
    
    
    
    tax=a*rate;
    profit=a-tax;
    printf("a=%lf
    ",a);
    printf("rate=%lf
    ",rate);
    printf("tax=%lf
    ",tax);
    printf("profit=%lf
    ",profit);
    return 0;
    }

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  • 原文地址:https://www.cnblogs.com/P201821430043/p/10768640.html
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