Financial application- computing future tuition
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Financial application- computing future tuition
标签(空格分隔): 程序设计实验 c++
本人学院
- Financial application- computing future tuition
- 标签空格分隔 程序设计实验 c
- 本人学院
- Description
- 读题
- my answer
- the standard answer
Description
Suppose that the tuition for Zhongshan Universtiy is 10000 this year and tuition increases 5% every year. Write a program that reads an integer n(n>0) and uses a loop to compute the cost of the tuition’s worth of the nth year.
If the answer is not a integer, cut off the digits.(e.g. 17.88 -> 17)
If the given n is more than 100, n = n % 100.
Input
An integer n (n>0).
Output
The total cost of four years worth of tuition starting n years from now.
You should set the precision to 2 and fixed.
Sample Input
10Sample Output
16288
Hint:
use cin & cout
读题
my answer
#include<iostream>using namespace std;int main() { int n; cin >> n; n %= 100; double tuition = 10000; while (n--) { tuition *= 1.05; } int ans = static_cast<int>(tuition); cout << ans << endl; return 0;}
the standard answer
#include<iostream>using std::cin;using std::cout;using std::endl;int main() { double a = 10000; int b; cin >> b; if (b > 100) b = b % 100; while (b--) { a *= 1.05; } b = a; cout << b << endl; return 0;}
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