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Submission #228251

# Submission time Handle Problem Language Result Execution time Memory
228251 2020-04-30T09:38:56 Z shengdebao Planinarenje (COCI18_planinarenje) C++14
160 / 160
 270 ms 912 KB 
//Be Name Khoda, Besmellah Rahmane Rahim, In The Name Of God;
//#include<bits/stweight++.h>
#include<iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <set>
#include <queue>
#include <deque>
#include <map>
#include <stack>
#include<bitset>
#include<list>
#include<cassert>
#include<numeric>
#include <stdio.h>
#include <string.h>
#include<iomanip>
#include<unordered_map>
#include<unordered_set>
#include <iostream>
#include <fstream>


using namespace std;

const int N = 10000 + 5;
vector <int> adj[N];
bool mark[N];
int n, m;
int match_down[N];
int match_up[N];

bool dfs(int v) 
{
	mark[v] = true;
	for (auto u : adj[v]) 
	{
		if (match_up[u] == -1 || (!mark[match_up[u]] && dfs(match_up[u]))) 
		{
			match_up[u] = v;
			match_down[v] = u;
			return true;
		}
	}
	return false;
}

void solver()
{
	bool finished = true;
	int max_matching = 0;
	while (finished) 
	{
		memset(mark, 0, sizeof mark);
		finished = false;
		for (int i = 0; i < n; i++) 
		{
			if (match_down[i] == -1 && !mark[i] && dfs(i)) 
			{
				finished = true;
				max_matching++;
			}
		}
	}
}

int main() 
{
	cin >> n >> m;
	for (int i = 0; i < m; i++) 
	{
		int u, v;
		cin >> u >> v;
		adj[u - 1].push_back(v - 1);
	}
	memset(match_down, -1, sizeof match_down);
	memset(match_up, -1, sizeof match_up);
	solver();
	//cout << max_matching
	for (int i = 0; i < n; i++) 
	{
		int u = match_down[i];
		//cout << i << " " << u << endl;
		//exit(0);
		if (u == -1) 
		{
			cout << "Mirko" << endl;
		}
		else 
		{
			memset(mark, 0, sizeof mark);
			bool finished = false;
			match_up[u] = -1;
			for (int j = 0; j < n; j++) 
			{
				if (j != i && !mark[j] && match_down[j] == -1 && dfs(j)) 
				{
					finished = true;
				} 
			}
			if (finished) 
			{
				match_down[i] = -1;
				cout << "Mirko" << endl;
			}
			else 
			{
				match_up[u] = i;
				cout << "Slavko" << endl;
			}
		}
	}
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 5 ms 640 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 5 ms 640 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 640 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 640 KB Output is correct
2 Correct 7 ms 640 KB Output is correct
3 Correct 8 ms 640 KB Output is correct
4 Correct 8 ms 640 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 270 ms 888 KB Output is correct
2 Correct 268 ms 768 KB Output is correct
3 Correct 235 ms 768 KB Output is correct
4 Correct 267 ms 888 KB Output is correct

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 640 KB Output is correct
2 Correct 10 ms 640 KB Output is correct
3 Correct 9 ms 640 KB Output is correct

Subtask #7
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 640 KB Output is correct
2 Correct 21 ms 640 KB Output is correct
3 Correct 9 ms 640 KB Output is correct
4 Correct 10 ms 640 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 768 KB Output is correct
2 Correct 188 ms 700 KB Output is correct
3 Correct 61 ms 768 KB Output is correct

Subtask #9
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 760 KB Output is correct
2 Correct 106 ms 912 KB Output is correct
3 Correct 59 ms 768 KB Output is correct
4 Correct 13 ms 768 KB Output is correct

Subtask #10
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 880 KB Output is correct
2 Correct 67 ms 768 KB Output is correct
3 Correct 94 ms 768 KB Output is correct
4 Correct 32 ms 768 KB Output is correct