oj.uz

Submission #16940

# Submission time Handle Problem Language Result Execution time Memory
16940 2015-10-29T07:05:01 Z taehoon1018 팩토리얼 세제곱들의 합 (YDX14_fact) C++
0 / 1
 0 ms 1084 KB 
#include <stdio.h>

int power(int a, int b)
{
	int res = 1;
	if (b == 0)
		return 1;
	for (int i = 0; i < b; i++)
		res *= a;
	return res;
}

int factorial(int x)
{
	int res = 1;
	for (int i = 1; i <= x; i++)
	{
		res *= i;
	}
	return res;
}

int main(void)
{
	int sum = 0, n, k, res=0;
	
	scanf("%d %d", &n, &k);
	if (n>4)
		for (int i = 0; i <= 4; i++)
			sum += power(factorial(i), k);
	else
		for (int i = 0; i <= n; i++)
			sum += power(factorial(i), k);

	while (res == 0)
	{
		res = sum % 10;
		sum /= 10;
	}
	printf("%d", res);
	return 0;
}

Subtask #1
0.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1084 KB Output is correct - answer is '4'
2 Correct 0 ms 1084 KB Output is correct - answer is '2'
3 Correct 0 ms 1084 KB Output is correct - answer is '2'
4 Correct 0 ms 1084 KB Output is correct - answer is '2'
5 Correct 0 ms 1084 KB Output is correct - answer is '2'
6 Correct 0 ms 1084 KB Output is correct - answer is '4'
7 Correct 0 ms 1084 KB Output is correct - answer is '6'
8 Correct 0 ms 1084 KB Output is correct - answer is '1'
9 Correct 0 ms 1084 KB Output is correct - answer is '2'
10 Correct 0 ms 1084 KB Output is correct - answer is '6'
11 Correct 0 ms 1084 KB Output is correct - answer is '4'
12 Correct 0 ms 1084 KB Output is correct - answer is '5'
13 Correct 0 ms 1084 KB Output is correct - answer is '2'
14 Correct 0 ms 1084 KB Output is correct - answer is '3'
15 Correct 0 ms 1084 KB Output is correct - answer is '4'
16 Correct 0 ms 1084 KB Output is correct - answer is '5'
17 Incorrect 0 ms 1084 KB Output isn't correct - expected '6', found '5'
18 Halted 0 ms 0 KB -