Submission #167713

#TimeUsernameProblemLanguageResultExecution timeMemory
167713munhorgilRed-blue table (IZhO19_stones)C++14
0 / 100
92 ms1368 KiB
#include<bits/stdc++.h>

using namespace std;

int main()
{
	int t , i , j , m , n , ans , a , b;
	
	cin >> t;
	
	while(t > 0)
	{
		cin >> n >> m;
		
		if(n % 2 == 0) a = n - 2;
			else a = n - 1;
		if(m % 2 == 0) b = m - 2;
			else b = m - 1;
		
		ans = a + b;
		
		cout << ans << endl;
		
		for(j = 0 ; j < a / 2 ; j++)
		{
			for(i = 0 ; i < b / 2 ; i++)
			{
				cout << "+";
			}
			for(i = 0 ; i < b / 2 ; i++)
			{
				cout << "-";
			}
			for(i = 0 ; i < (m - b) ; i++)
			{
				cout << "+";
			}
			cout << endl;
		}
		for(j = 0 ; j < a / 2 ; j++)
		{
			for(i = 0 ; i < b / 2 ; i++)
			{
				cout << "-";
			}
			for(i = 0 ; i < b / 2 ; i++)
			{
				cout << "+";
			}
			for(i = 0 ; i < (m - b) ; i++)
			{
				cout << "+";
			}
			cout << endl;
		}
		for(j = 0 ; j < (n - a) ; j++)
		{
			for(i = 0 ; i < m ; i++)
			{
				cout << "-";
			}
			cout << endl;
		}
		
		t--;
	}
}
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