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  • 03-13—复利计算

    #include<stdio.h>

    #include<math.h>

    Write(double *i1,int *p1,int *n1)

    {

             printf("请输入本金:");

             scanf("%d",p1);

             printf("请输入年利率(%%):");

             scanf("%lf",i1);

             while(*i1>100)

             {

                       printf("请重新输入年利率:");

                 scanf("%lf",i1);

             }

             printf("请输入年限:");

             scanf("%d",n1);

    }

    Write2(double *f1,double *i1,int *n1)

    {

             printf("请输入需求金额:");

             scanf("%lf",f1);

        printf("请输入年利率(%%):");

             scanf("%lf",i1);

             printf("请输入年限:");

             scanf("%d",n1);       

    }

    Caculate(double i,int p,int n)

    {

             double f;

             int num;

             printf(" 复利计算请按1    单利计算请按2:    本金计算请按3: ");

             printf("请选择:");

        scanf("%d",&num);

             while(num!=1&&num!=2&&num!=3)

             {

                       printf("选择错误!请重新选择:");

                       scanf("%d",&num);

             }

             if(num==1)

             {

                       Write(&i,&p,&n);

                       f = p*(pow((1+i/100),n));

                 printf("最终复利结果为%lf ",f);

             }

             if(num==2)

             {

                       Write(&i,&p,&n);

                       f=p+p*(i/100)*n;

                       printf("最终单利结果为%lf ",f);

             }

             if(num==3)

             {

                       Write2(&f,&i,&n);

                       p=(int)f/pow((1+i/100),n);

                       printf("投入本金为%d ",p);

             }

    }

    main()

    {

             double i;

             int p,n;

             Caculate(i,p,n);

    }

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  • 原文地址:https://www.cnblogs.com/yanwensheng/p/5272435.html
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