复利计算3
#include<stdio.h>
#include<math.h>
void fuli()
{
int day;
double total = 1.0f;
float money;
float base;
double total1;
printf("------------------------------------------------------------\n");
printf("每年的年利率比為:");
scanf("%f",&base);
printf("------------------------------------------------------------\n");
printf("輸入你存入的年數:");
scanf("%d",&day);
total=total*pow(1+base,day);
printf("-------------------------------------------------------------\n");
printf("每年的年利率%f,連續%d年,總受益的利率:%lf\n",base,day,total);
printf("-------------------------------------------------------------\n");
printf("輸入本金金額:");
scanf("%f",&money);
total1=money*total;
printf("-------------------------------------------------------------\n");
printf("你將可以得到:%lf\n",total1);
}
void danli()
{
int day;
double total = 1.0f;
float money;
float base;
double total1;
printf("------------------------------------------------------------\n");
printf("每年的年利率比為:");
scanf("%f",&base);
printf("------------------------------------------------------------\n");
printf("輸入你存入的年數:");
scanf("%d",&day);
total=base*day;
printf("-------------------------------------------------------------\n");
printf("每年的年利率%f,連續%d年,總受益的利率:%lf\n",base,day,total);
printf("-------------------------------------------------------------\n");
printf("輸入本金金額:");
scanf("%f",&money);
total1=money+money*total;
printf("-------------------------------------------------------------\n");
printf("你將可以得到:%lf\n",total1);
}
void fanxiang()
{
float money;
float base;
double total = 1.0f;
int day;
int x;
double total1;
printf("請輸入你需要得到的金額:\n");
scanf("%f",&money);
printf("請輸入平均年回報率:\n");
scanf("%f",&base);
printf("請輸入存入的年數\n");
scanf("%d",&day);
printf("若是復利選擇1,單利選擇2\n");
scanf("%d",&x);
if(x==1)
{
total=total*pow(1+base,day);
total1=money/total;
printf("需要的本金為:%f\n",total1);
}
else
{
total=base*day;
total1=money/(1+total);
printf("需要的本金為:%f\n",total1);
}
}
void gupiao()
{
float money;
double base=0.1;
float total;
double day;
printf("請輸入你的本金:\n");
scanf("%f",&total);
printf("請輸入你需要得到的金額:\n");
scanf("%f",&money);
printf("此股票平均年報酬率為(百分之十)!\n");
day=(money-total)/(total*base);
printf("需要的年數為:%.3lf年\n",day);
}
void ligunli()
{
float base;
int day;
int x;
int i;
double total1;
double total2;
double total3=0;
printf("若是月利選擇1,年利選擇2\n");
scanf("%d",&x);
if(x==1)
{
printf("請輸入你的本金:\n");
scanf("%lf",&total1);
printf("請輸入平均月回報率:\n");
scanf("%f",&base);
printf("請輸入存入的月數\n");
scanf("%d",&day);
for(i=1;i<=day;i++)
{
total2=total1+(total1*base);
total1=total2;
total3=total1+total3;
}
printf("最后可以得到%.3lf元\n",total3);
}
else
{
printf("請輸入你的本金:\n");
scanf("%lf",&total1);
printf("請輸入平均年回報率:\n");
scanf("%f",&base);
printf("請輸入存入的年數\n");
scanf("%d",&day);
for(i=1;i<=day;i++)
{
total2=total1+(total1*base);
total1=total2;
total3=total1+total3;
}
printf("最后可以得到%.3lf元\n",total3);
}
}
void touzi()
{
float money;
double base=0.1;
float total;
double day;
printf("請輸入你的本金:\n");
scanf("%f",&total);
printf("請輸入你需要得到的金額:\n");
scanf("%f",&money);
printf("請輸入存入的年數:\n");
scanf("%lf",&day);
base=(money-total)/(day*total);
printf("投資工具報酬率需要有%.3lf才夠\n",base);
}
void main()
{
int num=4;
printf(" \n");
printf(" \n");
printf(" \n");
printf(" \n");
printf(" \n");
printf(" \n");
printf(" -------------------------------------\n");
printf(" 歡迎來到廣州商業銀行\n");
printf(" 顧客你可以根據1~3選擇\n");
printf(" 1.復利計算\n");
printf(" 2.單利計算\n");
printf(" 3.送你養老金計算方法\n");
printf(" 4.股票賺錢喲\n");
printf(" 5.投資工具找的好才賺錢喲\n");
printf(" 6.本利與本金的存款計算\n");
printf(" -------------------------------------\n");
printf(" \n");
printf("請根據數字選擇你需要的功能(1~6)\n");
scanf("%d",&num);
switch(num)
{
case 1:
fuli();
break;
case 2:
danli();
break;
case 3:
fanxiang();
break;
case 4:
gupiao();
break;
case 5:
touzi();
break;
case 6:
ligunli();
break;
}
}
轉載于:https://www.cnblogs.com/huaziyi666/p/5288841.html
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