oj.uz

Submission #201555

# Submission time Handle Problem Language Result Execution time Memory
201555 2020-02-11T04:31:11 Z my04 Red-blue table (IZhO19_stones) C++17
0 / 100
 2000 ms 632 KB 
/* 

И пусть меня погубит, то к чему я
Бегу, не жалея ног.
И если мне суждено сгореть на восходе,
Я буду идти вперёд.

*/

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define sz(x) (int)(x).size()
#define S second
#define F first
#define all(x) (x).begin(), (x).end()

using namespace std;

const bool dbg_flg = 0;
#define debug(x) if (dbg_flg) cerr << #x << ' ' << x << '\n'
#define debug_pair(x) if (dbg_flg) cerr << #x << ' ' << x.F << ' ' << x.S << '\n' 

const int inf = 1e9 + 7;
const int MAXN = 1e5 + 5;

int n, m;
char x[1005][1005];
int res;
char y[1005][1005];

void rec(int i, int j) {

	if (i > n) {
		
		int a = 0, b = 0;

		for (int i = 1; i <= n; i++) {
			
			int red = 0;
			int blue = 0;

			for (int j = 1; j <= m; j++) {
				if (x[i][j] == '+') red++;
				else blue++;
			}

			if (red > blue) a++;

		}

		for (int i = 1; i <= m; i++) {
			
			int red = 0;
			int blue = 0;

			for (int j = 1; j <= n; j++) {
				if (x[j][i] == '+') red++;
				else blue++;
			}

			if (red < blue) b++;

		}

		if (res < a + b) {
			for (int i = 1; i <= n; i++) {
				for (int j = 1; j <= m; j++) {
					y[i][j] = x[i][j];
				}
			}

			res = a + b;
		}


		return;
	}

	x[i][j] = '-';

	if (j < m) rec(i, j + 1);
	else rec(i + 1, 1);

	x[i][j] = '+';

	if (j < m) rec(i, j + 1);
	else rec(i + 1, 1);

}

void solve() {
	cin >> n >> m;

	res = 0;

	rec(1, 1);

	cout << res << '\n';

	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= m; j++) {
			cout << y[i][j] << ' ';
		}
		cout << '\n';
	}
}

int main() {
	
	//~ freopen(".in", "r", stdin);
	//~ freopen(".out", "w", stdout);
	
	ios_base::sync_with_stdio(NULL);
	cin.tie(NULL);
	cout.tie(NULL);

	int tt = 1;
	cin >> tt;
	while (tt--) {
		solve();
	}

	return 0;
}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 376 KB Wrong answer
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2083 ms 376 KB Time limit exceeded

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 376 KB Wrong answer
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2078 ms 632 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2090 ms 376 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 376 KB Wrong answer
2 Halted 0 ms 0 KB -