제출 #206753

#제출 시각아이디문제언어결과실행 시간메모리
206753pavementDango Maker (JOI18_dango_maker)C++17
13 / 100
5 ms504 KiB
#include <bits/stdc++.h>
using namespace std;
#define int long long

int N, M, C;
char F[5005][5005];

main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> N >> M;
	for (int i = 1; i <= N; i++)
		for (int j = 1; j <= M; j++)
			cin >> F[i][j];
	for (int i = 1; i <= N; i++)
		for (int j = 1; j <= M - 2; j++)
			if (F[i][j] == 'R' && F[i][j + 1] == 'G' && F[i][j + 2] == 'W') {
				C++;
				F[i][j] = F[i][j + 1] = F[i][j + 2] = 0;
			}
	for (int j = 1; j <= M; j++)
		for (int i = 1; i <= N - 2; i++)
			if (F[i][j] == 'R' && F[i + 1][j] == 'G' && F[i + 2][j] == 'W') {
				F[i][j] = F[i + 1][j] = F[i + 2][j] = 0;
				C++;
			}
	cout << C << '\n';
}

컴파일 시 표준 에러 (stderr) 메시지

dango_maker.cpp:8:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
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