Submission #290233

#	Time	Username	Problem	Language	Result	Execution time	Memory
290233		shivensinha4	Dango Maker (JOI18_dango_maker)	C++17	0 / 100	1 ms	384 KiB

dango_maker

#include <bits/stdc++.h> 
using namespace std; 
#define for_(i, s, e) for (int i = s; i < (int) e; i++)
#define for__(i, s, e) for (ll i = s; i < e; i++)
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
#define endl '\n'


int main() {
	#ifndef ONLINE_JUDGE
	//freopen("test.in", "r", stdin);
	#endif
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	int n, m; cin >> n >> m;
	vector<vi> mat(n, vi(m)), ct(n, vi(m));
	for_(i, 0, n) for_(j, 0, m) {
		char c; cin >> c;
		int v = 0;
		if (c == 'G') v = 1;
		else if (c == 'W') v = 2;
		mat[i][j] = v;
	}
	
	int ans = 0;
	for_(i, 0, n) for_(j, 0, m-2) {
		if (mat[i][j] == 0 and mat[i][j+1] == 1 and mat[i][j+2] == 2) {
			ct[i][j] += 1; ct[i][j+1] += 1; ct[i][j+2] += 1;
			ans += 1;
			j += 2;
		}
	}
	
	for_(j, 0, m) for_(i, 0, n-2) {
		if (mat[i][j] == 0 and mat[i+1][j] == 1 and mat[i+2][j] == 2) {
			ct[i][j] += 1; ct[i+1][j] += 1; ct[i+2][j] += 1;
			ans += 1;
			i += 2;
		}
	}
	
	for_(i, 0, n) for_(j, 0, m) if (ct[i][j] > 1) ans -= 1;
	
	cout << ans << endl;

	return 0;
}

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