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Submission #21156

# Submission time Handle Problem Language Result Execution time Memory
21156 2017-04-06T08:39:03 Z jayceking 팩토리얼 세제곱들의 합 (YDX14_fact) C++14
0 / 1
 0 ms 1116 KB 
#include<cstdio>

int main() {
	int n, k;
	scanf("%d %d", &n, &k);
	int d = 0;
	int arr[4][5] = { {1,1,1,1,1}, {1,1,2,6,4},{ 1,1,4,6,6},{1,1,6,6,6} };
	if (n > 4) n = 4;
	for (int i = 0;i <= n;++i) {
		d += arr[k][i];
	}
	while (!(d % 10)) {
		d /= 10;
	}
	printf("%d", d % 10);
}

Compilation message

fact.cpp: In function 'int main()':
fact.cpp:5:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &k);
                        ^

Subtask #1
0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1116 KB answer is '4'
2 Correct 0 ms 1116 KB answer is '2'
3 Correct 0 ms 1116 KB answer is '2'
4 Correct 0 ms 1116 KB answer is '2'
5 Correct 0 ms 1116 KB answer is '2'
6 Correct 0 ms 1116 KB answer is '4'
7 Correct 0 ms 1116 KB answer is '6'
8 Incorrect 0 ms 1116 KB expected '1', found '8'
9 Halted 0 ms 0 KB -