Submission #9534

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
9534	2014-09-28T07:05:15 Z	silas	Wiring (kriii2_W)	C++	Compilation error	0 ms	0 KB

P

#include <iostream>
#include <vector>
using namespace std;

int q_before, q_after; // Qp-1, Qp
int P; // 단계를 나타내는 함수
int N; // 총 못의 개수
bool visited[1001][1001];

int main() {
	memset(visited, 0, sizeof(visited));
	cin >> N;
	P = 1;
	q_before = 0;
	int solution = 0;
	for (int i = 0 ; i < N*N; i++) {
		q_after = (q_before + P) % N;
		if (!visited[q_before][q_after] && !visited[q_after][q_before] && q_after != q_before) {
			solution++;
			visited[q_before][q_after] = true;
			visited[q_after][q_before] = true;
		}
		P++;
		q_before = q_after;
	}
	cout << solution << endl;
	return 0;
}

Compilation message

P.cpp: In function 'int main()':
P.cpp:11:36: error: 'memset' was not declared in this scope