Submission #206752

#	Time	Username	Problem	Language	Result	Execution time	Memory
206752		pavement	Dango Maker (JOI18_dango_maker)	C++17	13 / 100	5 ms	376 KiB

dango_maker

#include <bits/stdc++.h>
using namespace std;
#define int long long

int N, M, C;
char F[3005][3005];

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';
}

Compilation message (stderr)

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

• Subtask 1: 13 / 13
• Subtask 2: 0 / 20
• Subtask 3: 0 / 67