제출 #171523

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
171523	2019-12-28 22:26:23	TadijaSebez	007 (CEOI14_007)	C++11	100 / 100	511 ms	39084 KiB

007

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int N=200050;
vector<int> E[N];
void BFS(int x, int n, int d[], vector<int> p[])
{
  for(int i=1;i<=n;i++) d[i]=-1;
  queue<int> q;
  q.push(x);
  d[x]=0;
  while(q.size())
  {
    int u=q.front();
    q.pop();
    for(int v:E[u])
    {
      if(d[v]==-1)
      {
        d[v]=d[u]+1;
        q.push(v);
        p[v].pb(u);
      }
      else if(d[v]==d[u]+1) p[v].pb(u);
    }
  }
}
int ds[N],dd[N];
vector<int> ps[N],pd[N];
void DFS(int u, int mark, int w[], vector<int> p[])
 
 
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컴파일 시 표준 에러 (stderr) 메시지

007.cpp: In function 'int main()':
007.cpp:52:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
007.cpp:53:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i %i %i",&s,&d,&a,&b);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
007.cpp:54:59: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1,u,v;i<=m;i++) scanf("%i %i",&u,&v),E[u].pb(v),E[v].pb(u);
                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70