답안 #503127

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
503127	2022-01-07T10:12:47 Z	AzamatRustamov	Red-blue table (IZhO19_stones)	C++14	100 / 100	24 ms	2164 KB

stones

#include <iostream>
using namespace std;

void solve()
{
	int n, m;
	cin >> n >> m;
	bool swapped = false;
	if (n < m)
	{
		int t = n;
		n = m, m = t, swapped = true;
	}
	char a[n][m];
	for (int i=0; i<n; i++) for (int j=0; j<m; j++) a[i][j] = '+';
	int ans = n, x = 0, c = 0;
	for (int k=0; k<(m-1)/2; k++) for (int y=0; y<n; y++)
	{
		a[y][x] = '-', c++;
		if (c == n/2+1) x++, c=0, ans++;
	}
	cout << ans << '\n';
	if (!swapped) for (int i=0; i<n; i++)
	{
		for (int j=0; j<m; j++) cout << a[i][j];
		cout << '\n';
	}
	else for (int j=0; j<m; j++)
	{
		for (int i=0; i<n; i++) cout << (a[i][j]=='+'?'-':'+');
		cout << '\n';
	}
}

int main()
{
	ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);
	int t;
	cin >> t;
	while(t--) solve();
	return 0;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	312 KB	Output is correct

Subtask #3

16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	2 ms	312 KB	Output is correct
4	Correct	2 ms	316 KB	Output is correct

Subtask #4

11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	1220 KB	Output is correct
2	Correct	19 ms	1844 KB	Output is correct
3	Correct	19 ms	1868 KB	Output is correct

Subtask #5

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	1292 KB	Output is correct
2	Correct	24 ms	1580 KB	Output is correct
3	Correct	16 ms	1328 KB	Output is correct

Subtask #6

31.0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	2 ms	312 KB	Output is correct
4	Correct	2 ms	316 KB	Output is correct
5	Correct	23 ms	1220 KB	Output is correct
6	Correct	19 ms	1844 KB	Output is correct
7	Correct	19 ms	1868 KB	Output is correct
8	Correct	21 ms	1292 KB	Output is correct
9	Correct	24 ms	1580 KB	Output is correct
10	Correct	16 ms	1328 KB	Output is correct
11	Correct	8 ms	440 KB	Output is correct
12	Correct	16 ms	1468 KB	Output is correct
13	Correct	17 ms	1328 KB	Output is correct
14	Correct	13 ms	1008 KB	Output is correct
15	Correct	21 ms	2164 KB	Output is correct
16	Correct	16 ms	1740 KB	Output is correct
17	Correct	8 ms	844 KB	Output is correct