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Submission #333041

# Submission time Handle Problem Language Result Execution time Memory
333041 2020-12-04T10:06:53 Z Boaba Red-blue table (IZhO19_stones) C++14
100 / 100
 56 ms 3328 KB 
#include <iostream>
#include <algorithm>

const int N = 1e3 + 5;

int n, m, t;
char ans[N][N], afis[N][N];

void solve() {
	char ch='-', rch = '+';
	std::cin >> n >> m;
	if (n > m) {
		std::swap(n, m);
		std::swap(ch, rch);
	}
	for (int i = 0; i < n; i++)
		for (int j = 0; j < m; j++)
			ans[i][j] = ch;
	int bulan = m * ((n - 1) / 2);
	int i = 0, k = 0;
	for (int x = 0; x < bulan; x++) {
		ans[i][x % m] = rch, k++;
		if (k*2 > m)  k = 0, i++;
	}
	std::cout << m + i << '\n';
	if (ch == '+') std::swap(n, m);
	for (int i = 0; i < n; i++)
		for (int j = 0; j < m; j++)
			afis[i][j] = ((ch == '-' ? ans[i][j] : ans[j][i]));
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++)
			std::cout << afis[i][j];
		std::cout << "\n";
	}
}

int main() {
	std::cin >> t;
	while (t--) solve();
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 4 ms 364 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 1516 KB Output is correct
2 Correct 48 ms 2668 KB Output is correct
3 Correct 46 ms 2924 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 1644 KB Output is correct
2 Correct 45 ms 2540 KB Output is correct
3 Correct 41 ms 2156 KB Output is correct

Subtask #6
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 4 ms 364 KB Output is correct
5 Correct 56 ms 1516 KB Output is correct
6 Correct 48 ms 2668 KB Output is correct
7 Correct 46 ms 2924 KB Output is correct
8 Correct 54 ms 1644 KB Output is correct
9 Correct 45 ms 2540 KB Output is correct
10 Correct 41 ms 2156 KB Output is correct
11 Correct 15 ms 620 KB Output is correct
12 Correct 43 ms 2412 KB Output is correct
13 Correct 45 ms 2540 KB Output is correct
14 Correct 34 ms 2028 KB Output is correct
15 Correct 54 ms 3328 KB Output is correct
16 Correct 41 ms 2668 KB Output is correct
17 Correct 18 ms 1772 KB Output is correct