#include<stdio.h>

#include<math.h>

void fuli()

{

int day;

double total = 1.0f;

float money;

float base;

double total1;

printf("------------------------------------------------------------\n");

printf("每年的年利率比为:");

scanf("%f",&base);

printf("------------------------------------------------------------\n");

printf("输入你存入的年数:");

scanf("%d",&day);

total=total*pow(1+base,day);

printf("-------------------------------------------------------------\n");

printf("每年的年利率%f,连续%d年,总受益的利率:%lf\n",base,day,total);

printf("-------------------------------------------------------------\n");

printf("输入本金金额:");

scanf("%f",&money);

total1=money*total;

printf("-------------------------------------------------------------\n");

printf("你将可以得到:%lf\n",total1);

}

void danli()

{

int day;

double total = 1.0f;

float money;

float base;

double total1;

printf("------------------------------------------------------------\n");

printf("每年的年利率比为:");

scanf("%f",&base);

printf("------------------------------------------------------------\n");

printf("输入你存入的年数:");

scanf("%d",&day);

total=base*day;

printf("-------------------------------------------------------------\n");

printf("每年的年利率%f,连续%d年,总受益的利率:%lf\n",base,day,total);

printf("-------------------------------------------------------------\n");

printf("输入本金金额:");

scanf("%f",&money);

total1=money+money*total;

printf("-------------------------------------------------------------\n");

printf("你将可以得到:%lf\n",total1);

}

void fanxiang()

{

float money;

float base;

double total = 1.0f;

int day;

int x;

double total1;

printf("请输入你需要得到的金额:\n");

scanf("%f",&money);

printf("请输入平均年回报率:\n");

scanf("%f",&base);

printf("请输入存入的年数\n");

scanf("%d",&day);

printf("若是复利选择1，单利选择2\n");

scanf("%d",&x);

if(x==1)

{

total=total*pow(1+base,day);

total1=money/total;

printf("需要的本金为:%f\n",total1);

}

else

{

total=base*day;

total1=money/(1+total);

printf("需要的本金为:%f\n",total1);

}

}

void gupiao()

{

float money;

double base=0.1;

float total;

double day;

printf("请输入你的本金:\n");

scanf("%f",&total);

printf("请输入你需要得到的金额:\n");

scanf("%f",&money);

printf("此股票平均年报酬率为(百分之十)!\n");

day=(money-total)/(total*base);

printf("需要的年数为:%.3lf年\n",day);

}

void ligunli()

{

float base;

int day;

int x;

int i;

double total1;

double total2;

double total3=0;

printf("若是月利选择1，年利选择2\n");

scanf("%d",&x);

if(x==1)

{

printf("请输入你的本金:\n");

scanf("%lf",&total1);

printf("请输入平均月回报率:\n");

scanf("%f",&base);

printf("请输入存入的月数\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("请输入你的本金:\n");

scanf("%lf",&total1);

printf("请输入平均年回报率:\n");

scanf("%f",&base);

printf("请输入存入的年数\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("请输入你的本金:\n");

scanf("%f",&total);

printf("请输入你需要得到的金额:\n");

scanf("%f",&money);

printf("请输入存入的年数:\n");

scanf("%lf",&day);

base=(money-total)/(day*total);

printf("投资工具报酬率需要有%.3lf才够\n",base);

}

void main()

{

int num=4;

printf(" \n");

printf(" \n");

printf(" \n");

printf(" \n");

printf(" \n");

printf(" \n");

printf(" -------------------------------------\n");

printf(" 欢迎来到广州商业银行\n");

printf(" 顾客你可以根据1~3选择\n");

printf(" 1.复利计算\n");

printf(" 2.单利计算\n");

printf(" 3.送你养老金计算方法\n");

printf(" 4.股票赚钱哟\n");

printf(" 5.投资工具找的好才赚钱哟\n");

printf(" 6.本利与本金的存款计算\n");

printf(" -------------------------------------\n");

printf(" \n");

printf("请根据数字选择你需要的功能(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;

}

}