Submission #1230651

#	Time	Username	Problem	Language	Result	Execution time	Memory
1230651		jajskao	Colouring a rectangle (eJOI19_colouring)	C++20	0 / 100	102 ms	167936 KiB

colouring

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

typedef vector<int> vi;
typedef vector<vi> vvi;

int main(int a, char **b) {
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int x, y;
	cin >> x >> y;
	vvi z(x, vi(y));
	for (int i = 0; i < x; ++i)
		for (int j = 0; j < y; ++j)
			cin >> z[i][j];
	for (int i = 0; i < x; ++i)
		if (z[i][0] || z[i][y - 1]) {
			cout << 2 << '\n';
			return 0;
		}
	for (int i = 0; i < y; ++i)
		if (z[0][i] || z[x - 1][i]) {
			cout << 2 << '\n';
			return 0;
		}
	cout << 4 << '\n';
	return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 20
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20