存款利率计算器v3.0

怼烎@ 2022-11-12 10:57 239阅读 0赞

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#include<stdio.h>
    #include<math.h>
    int main()
    {
        double rate, capital, deposit;
        short year;
        char flag=1;
        char c;
        printf("Input capital, year:");
        scanf("%lf,%d", &capital, &year);
        //
        switch(year)
        {
            case 1: rate=0.0225; break;
            case 2: rate=0.0243; break;
            case 3: rate=0.027;  break;
            case 5: rate=0.0288; break;
            case 8: rate=0.03;   break;
            default: flag=0;
        }
        //
        printf("Compound interest (Y/N)?");
        scanf(" %c", &c);
        if(flag!=0)//输入的年份无误
        {
            if(c=='y'||c=='Y')
            {
                deposit=capital*pow((1+rate), year);
            }
            else if(c=='n'||c=='N')
            {
                deposit=capital*(1+rate*year);
            }
            printf("rate = %.4f, deposit = %.4f\n", rate, deposit);
        }
        else
        {
            printf( "Error year!\n");
        }
        //
        return 0;
    }

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjA0ODQ2Mw_size_16_color_FFFFFF_t_70 2][]

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