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Submission #342314

# Submission time Handle Problem Language Result Execution time Memory
342314 2021-01-01T20:28:14 Z _ani Red-blue table (IZhO19_stones) C++17
11 / 100
 46 ms 1388 KB 
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
char s[1002][1002];
int main()
{
	int t;
	cin >> t;
	while (t--)
	{
		int n, m;
		cin >> n >> m;
		if (min(n, m) > 2)
		{
			int ans = n + m - 2;
			if (n % 2 == 0)ans--;
			if (m % 2 == 0)ans--;
			cout << ans << '\n';
			int a = n, b = m;
			if (a % 2)a--;
			else a -= 2;
			if (b % 2)b--;
			else b -= 2;
			for (int i = 0; i < n; i++) {
				for (int j = 0; j < m; j++)
				{
					if (i < a / 2 && j < b / 2)
						cout << '-';
					else if (i >= a / 2 && i < a && j >= b / 2 && j < b)
						cout << '-';
					else if (i >= a)
						cout << '-';
					else if (j >= b)
						cout << '+';
					else cout << '+';
				}
				cout << '\n';
			}
		}
		else
		{
			cout << max(m, n) << '\n';
			char d;
			if (m > n)
				d = '-';
			else d = '+';
			for (int i = 0; i < n; i++)
			{
				for (int j = 0; j < m; j++)
					cout << d;
				cout << '\n';
			}
		}
	}
	return 0;
}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Wrong answer in test 4 4: 4 < 5

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 364 KB Wrong answer in test 4 3: 4 < 5

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Wrong answer in test 4 4: 4 < 5

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 1388 KB Output is correct
2 Correct 39 ms 1260 KB Output is correct
3 Correct 37 ms 1132 KB Output is correct

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 46 ms 1388 KB Wrong answer in test 4 4: 4 < 5
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Wrong answer in test 4 4: 4 < 5