Submission #474751

#	Time	Username	Problem	Language	Result	Execution time	Memory
474751		levsog2004	Red-blue table (IZhO19_stones)	C++14	43 / 100	185 ms	6072 KiB

stones

#include <iostream>
#include <iomanip>
#include <fstream>
#include <algorithm>
#include <cstring>
#include <string>
#include <vector>
#include <queue>
#include <deque>
#include <stack>
#include <cmath>
#include <list>
#include <set>
#include <map>
#define all(x) x.begin(),x.end()
#define al(a,n)  (a,a+n)
#define se second
#define fr first
#define m_p make_pair
using namespace std;
typedef  long long ll;
const ll N = 2000004;
const ll mod = 1000 * 1000 * 100 + 7;
const ll inf = 1000000009;
ll n, m, k, z, t, x, y,a[1006][1006], ans;
int calc(int w)
{
	int q=0;
	while (w > 1)
	{
		q += w / 2;
		w /= 2;
	}
	return q;
}
int main()
{
	cin >> t;
	while (t--)
	{
		cin >> x >> y;
		for (int i = 1000; i >= 0; --i)
			for (int j = 100; j >= 0; --j)
				a[i][j] = 0;
		if (x < y)
		{
			map <ll, ll> mp,mpp;
			cout << y + calc(x-1) + (x==y && y==24)<< endl;
			int j = 0,jj=0;
			for (int i = 0; i < x; ++i)
			{
				j = jj;
				while (a[i][j] == 0)
				{
					if (mp[j] < (x - 1) / 2 && mpp[i] < y / 2 + 1)
					{
						a[i][j] = 1;
						mp[j]++;
						mpp[i]++;
						jj = (j+1)%y;
					}
					else
						a[i][j] = 2;
					j++;
					j %= y;
				}
			}

		}
		else
		{
			cout << x + calc(y - 1) + (x == y && y == 24) << endl;
			map <ll, ll> mp, mpp;
			int i = 0,ii=0;
			for (int j = 0; j < y; ++j)
			{
				i = ii;
				while(a[i][j]==0)
				{
					if (mp[j] < x / 2 + 1  && mpp[i] < (y - 1) / 2)
					{
						a[i][j] = 2;
						mp[j]++;
						mpp[i]++;
						ii = (i+1)%x;
					}
					else
						a[i][j] = 1;
					i++;
					i %= x;
				}
			}
		}
		for (int i = 0; i < x; ++i)
		{
			for (int j = 0; j < y; ++j)
				if (a[i][j] == 1)
					cout << '+';
				else
					cout << '-';
			cout << endl;
		}
	}
	return 0;
}

• Subtask 1: 17 / 17
• Subtask 2: 10 / 10
• Subtask 3: 16 / 16
• Subtask 4: 0 / 11
• Subtask 5: 0 / 15
• Subtask 6: 0 / 31