제출 #106644

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
106644		ArshiaDadras	Planinarenje (COCI18_planinarenje)	C++14	160 / 160	8 ms	1024 KiB

planinarenje

/* 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");
}

컴파일 시 표준 에러 (stderr) 메시지

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 / 16
• Subtask 2: 16 / 16
• Subtask 3: 16 / 16
• Subtask 4: 16 / 16
• Subtask 5: 16 / 16
• Subtask 6: 16 / 16
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• Subtask 9: 16 / 16
• Subtask 10: 16 / 16