c++理财计划

解题思路:

注意事项:

参考代码:

#include<bits/stdc++.h>

using namespace std;

class maney{

public:

int n;

float k,p;

};

int main() {

maney p1;

int n;

float k,p;

cin>>k>>n>>p;

p1.n=n;

p1.p=p;

p1.k=0;

for(int i=1;i<=n;++i){

p1.k=(p1.k+k+(p1.k+k)*p1.p);

}

p1.k=floor((p1.k)*100);

printf("%.2f",(p1.k)/100-n*k);

}