Submission #239925

# Submission time Handle Problem Language Result Execution time Memory
239925 2020-06-17T14:02:03 Z Borbi Skandi (COCI20_skandi) C++14
9 / 110
13 ms 8832 KB
#include <bits/stdc++.h>

using namespace std;

/*struct edge
{
	int next, to, flow;
	edge(int _to, int _next, int _flow)
	{
		next = _next; to = _to; flow = _flow;
	}
};*/

const int MAXN = 1e3 + 5;

int n, m;
string str[MAXN];
/*edge e[MAXM];
int head[MAXN], br;

void add_edge(int v, int w, int c)
{
	e[br] = edge(w, head[v], c);
	head[v] = br++;
}*/
map <int, pair<int, int> > r_a, c_a;
int cntr, cntc;
int rw[MAXN][MAXN], col[MAXN][MAXN];
vector <int> graph[MAXN];
int vis[MAXN];

void read_input()
{
	cin >> n >> m;

	/*for(int i = 0; i < MAXN; i++)
	{
		head[i] = -1;
	}*/
	for(int i = 0; i < n; i++)
	{
		cin >> str[i];
	}
	for(int i = 1; i < n; i++)
	{
		for(int j = 1; j < m; j++)
		{
			if(str[i][j] == '1') continue;
			if(str[i][j - 1] == '1')
			{
				rw[i][j] = cntr++;
				r_a[cntr - 1] = {i, j};
			}
			else
			{
				rw[i][j] = rw[i][j - 1];
			}
			if(str[i - 1][j] == '1')
			{
				col[i][j] = cntc++;
				c_a[cntc - 1] = {i, j};
			}
			else
			{
				col[i][j] = col[i - 1][j];
			}
		}
	}
	for(int i = 1; i < n; i++)
	{
		for(int j = 1; j < m; j++)
		{
			if(str[i][j] == '0')
			{
				//cout << r_a[rw[i][j]].first << " " << r_a[rw[i][j]].second << " " << c_a[col[i][j]].first << " " << c_a[col[i][j]].second << "\n";
				graph[rw[i][j]].push_back(cntr + col[i][j]);
				graph[cntr + col[i][j]].push_back(rw[i][j]);
			}
		}
	}
	//cout << cntr << " " << cntc << "\n";
}

bool matched[MAXN];
int con[MAXN];
int timer;

bool match(int v)
{
	if(vis[v] == timer) return false;
	vis[v] = timer;
	for(auto x : graph[v])
	{
		if(con[x] == -1 || match(con[x]))
		{
			con[x] = v;
			return matched[v] = true;
		}
	}
	return false;
}

bool added[MAXN];
//vector <int> z;

void dfs(int v, bool t)
{
	if(!added[v])
	{	
		//z.push_back(v);
		added[v] = true;
	}
	else return;
	if(t)
	{
		cout << "DAS";
	}
	for(auto x : graph[v])
	{
		if(t == 0)
		{
			if(con[x] == -1)
			{
				dfs(x, t ^ 1);
			}
		}
		else
		{
			if(matched[x])
			{
				dfs(x, t ^ 1);
			}
		}
	}
}

void solve()
{
	for(int i = 0; i < MAXN; i++)
	{
		con[i] = -1;
	}
	for(int i = 0; i < cntr; i++)
	{
		timer++;
		match(i);
		//cout << matched[i];
	}
	for(int i = 0; i < cntr; i++)
	{
		if(!matched[i])
		{
			dfs(i, 0);
		}
	}
	vector <int> fst, scnd;
	for(int i = 0; i < cntr; i++)
	{
		if(!added[i])
		{
			fst.push_back(i);
		}
	}
	for(int i = 0; i < cntc; i++)
	{
		if(added[i + cntr])
		{
			scnd.push_back(i);
		}
	}
	cout << fst.size() + scnd.size() << "\n";
	for(auto x : fst)
	{
		cout << r_a[x].first + 1 << " " << r_a[x].second + 1 << " DESNO\n"; 
	}
	for(auto x : scnd)
	{
		cout << c_a[x].first + 1 << " " << c_a[x].second + 1 << " DOLJE\n"; 
	}
}

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);

	read_input();
	solve();

	return 0;
}
# Verdict Execution time Memory Grader output
1 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
2 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
3 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
4 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
5 Partially correct 5 ms 512 KB First line is correct, but the reconstruction is not properly formatted.
6 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
7 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
8 Partially correct 5 ms 460 KB First line is correct, but the reconstruction is not properly formatted.
9 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
10 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
11 Partially correct 6 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
12 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
13 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
14 Partially correct 5 ms 512 KB First line is correct, but the reconstruction is not properly formatted.
15 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
16 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
17 Partially correct 5 ms 512 KB First line is correct, but the reconstruction is not properly formatted.
18 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
19 Partially correct 5 ms 512 KB First line is correct, but the reconstruction is not properly formatted.
20 Partially correct 4 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
21 Partially correct 5 ms 512 KB First line is correct, but the reconstruction is not properly formatted.
22 Partially correct 4 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
23 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
# Verdict Execution time Memory Grader output
1 Partially correct 5 ms 1664 KB First line is correct, but the reconstruction is not properly formatted.
2 Partially correct 5 ms 1920 KB First line is correct, but the reconstruction is not properly formatted.
3 Partially correct 6 ms 2944 KB First line is correct, but the reconstruction is not properly formatted.
4 Partially correct 5 ms 1536 KB First line is correct, but the reconstruction is not properly formatted.
5 Partially correct 5 ms 1664 KB First line is correct, but the reconstruction is not properly formatted.
6 Partially correct 5 ms 1152 KB First line is correct, but the reconstruction is not properly formatted.
7 Partially correct 5 ms 1024 KB First line is correct, but the reconstruction is not properly formatted.
8 Partially correct 6 ms 1920 KB First line is correct, but the reconstruction is not properly formatted.
9 Partially correct 8 ms 4480 KB First line is correct, but the reconstruction is not properly formatted.
10 Runtime error 13 ms 8832 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
2 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
3 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
4 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
5 Partially correct 5 ms 512 KB First line is correct, but the reconstruction is not properly formatted.
6 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
7 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
8 Partially correct 5 ms 460 KB First line is correct, but the reconstruction is not properly formatted.
9 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
10 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
11 Partially correct 6 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
12 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
13 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
14 Partially correct 5 ms 512 KB First line is correct, but the reconstruction is not properly formatted.
15 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
16 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
17 Partially correct 5 ms 512 KB First line is correct, but the reconstruction is not properly formatted.
18 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
19 Partially correct 5 ms 512 KB First line is correct, but the reconstruction is not properly formatted.
20 Partially correct 4 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
21 Partially correct 5 ms 512 KB First line is correct, but the reconstruction is not properly formatted.
22 Partially correct 4 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
23 Partially correct 5 ms 384 KB First line is correct, but the reconstruction is not properly formatted.
24 Partially correct 5 ms 1664 KB First line is correct, but the reconstruction is not properly formatted.
25 Partially correct 5 ms 1920 KB First line is correct, but the reconstruction is not properly formatted.
26 Partially correct 6 ms 2944 KB First line is correct, but the reconstruction is not properly formatted.
27 Partially correct 5 ms 1536 KB First line is correct, but the reconstruction is not properly formatted.
28 Partially correct 5 ms 1664 KB First line is correct, but the reconstruction is not properly formatted.
29 Partially correct 5 ms 1152 KB First line is correct, but the reconstruction is not properly formatted.
30 Partially correct 5 ms 1024 KB First line is correct, but the reconstruction is not properly formatted.
31 Partially correct 6 ms 1920 KB First line is correct, but the reconstruction is not properly formatted.
32 Partially correct 8 ms 4480 KB First line is correct, but the reconstruction is not properly formatted.
33 Runtime error 13 ms 8832 KB Execution killed with signal 11 (could be triggered by violating memory limits)
34 Halted 0 ms 0 KB -