제출 #299011

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
299011		TadijaSebez	Planinarenje (COCI18_planinarenje)	C++11	160 / 160	15 ms	640 KiB

planinarenje

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int N=5050;
vector<int> E[N];
int mch[N];
bool was[N];
void cl(){for(int i=0;i<N;i++)was[i]=0;}
bool DFS(int u){
	if(was[u])return 0;
	was[u]=1;
	for(int v:E[u]){
		if(!mch[v]){
			mch[v]=u;
			return 1;
		}else{
			if(DFS(mch[v])){
				mch[v]=u;
				return 1;
			}
		}
	}
	return 0;
}
bool ok[N];
void EXP(int u){
	for(int v:E[u]){
		assert(mch[v]);
		if(ok[mch[v]]){
			ok[mch[v]]=0;
			EXP(mch[v]);
		}
	}
}
int main(){
	int n,m;
	scanf("%i %i",&n,&m);
	for(int i=1;i<=m;i++){
		int u,v;
		scanf("%i %i",&u,&v);
		E[u].pb(v);
	}
	for(int i=1;i<=n;i++)cl(),ok[i]=DFS(i);
	for(int i=1;i<=n;i++)if(!ok[i])EXP(i);
	for(int i=1;i<=n;i++){
		if(ok[i])printf("Slavko\n");
		else printf("Mirko\n");
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

planinarenje.cpp: In function 'int main()':
planinarenje.cpp:37:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   37 |  scanf("%i %i",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~~
planinarenje.cpp:40:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   40 |   scanf("%i %i",&u,&v);
      |   ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 16 / 16
• Subtask 2: 16 / 16
• Subtask 3: 16 / 16
• Subtask 4: 16 / 16
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• Subtask 10: 16 / 16