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Submission #106644

# Submission time Handle Problem Language Result Execution time Memory
106644 2019-04-19T10:54:25 Z ArshiaDadras Planinarenje (COCI18_planinarenje) C++14
160 / 160
 8 ms 1024 KB 
/* In the name of Allah */
#include<bits/stdc++.h>
using namespace std;

const int N = 1e4 + 5;
int n, m, match[N];
vector<int> adj[N];
bitset<N> mark;

bool dfs1(int u) {
	mark[u] = true;
	for (auto v: adj[u])
		if (!~match[v] || (!mark[match[v]] && dfs1(match[v]))) {
			match[match[v] = u] = v;
			return true;
		}
	return false;
}

void dfs2(int u) {
	mark[u] = true;
	for (auto v: adj[u])
		if (~match[v] && !mark[match[v]])
			dfs2(match[v]);
}

int main() {
	scanf("%d%d", &n, &m);
	for (int i = 0; i < m; i++) {
		int u, v;
		scanf("%d%d", &u, &v);
		adj[--u].push_back(v += n - 1), adj[v].push_back(u);
	}
	memset(match, -1, sizeof match);
	for (int ok = 1; ok; mark.reset())
		for (int u = ok = 0; u < n; u++)
			if (!~match[u] && !mark[u])
				ok |= dfs1(u);
	for (int u = 0; u < n; u++)
		if (!~match[u] && !mark[u])
			dfs2(u);
	for (int u = 0; u < n; u++)
		printf(mark[u]? "Mirko\n": "Slavko\n");
}

Compilation message

planinarenje.cpp: In function 'int main()':
planinarenje.cpp:28:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~
planinarenje.cpp:31:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &u, &v);
   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

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

Subtask #2
16.0 / 16.0

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

Subtask #3
16.0 / 16.0

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

Subtask #4
16.0 / 16.0

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

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 868 KB Output is correct
2 Correct 4 ms 868 KB Output is correct
3 Correct 5 ms 896 KB Output is correct
4 Correct 5 ms 896 KB Output is correct

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 640 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 4 ms 640 KB Output is correct

Subtask #7
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 3 ms 640 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 4 ms 640 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 768 KB Output is correct
2 Correct 7 ms 1024 KB Output is correct
3 Correct 8 ms 768 KB Output is correct

Subtask #9
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 768 KB Output is correct
2 Correct 4 ms 768 KB Output is correct
3 Correct 3 ms 640 KB Output is correct
4 Correct 4 ms 768 KB Output is correct

Subtask #10
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 768 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 4 ms 768 KB Output is correct
4 Correct 6 ms 768 KB Output is correct