HDU--2114

Calculate S(n)

Time Limit: 10000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 8905    Accepted Submission(s): 3257

Problem Description

Calculate S(n).

S(n)=1³+2³ +3³ +......+n³ .

 

Input

Each line will contain one integer N(1 < n < 1000000000). Process to end of file.

 

Output

For each case, output the last four dights of S(N) in one line.

 

Sample Input

1
2

 

Sample Output

0001
0009

 

Author

天邪

#include <iostream>
#include <stdio.h>
using namespace std;

int main()
{
	long long int n;
	while (cin >> n)
	{
		long long int result;
		result = ((n * (n+1) / 2) %10000) * ((n * (n+1) /2) %10000) %10000;
		printf("%04lld\n",result);
	}
	return 0;
}