제출 #43398

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
43398	2018-03-15 19:59:24	XmtosX	007 (CEOI14_007)	C++14	0 / 100	565 ms	104324 KiB

007

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#include <bits/stdc++.h>
using namespace std;
int n,m,st1,st2,a,b;
vector <int> v[300005];
int bs (int x,int y)
{
    queue<int> q;
    int lvl[300005]={0};
    lvl[x]=1;
    q.push(x);
    while (!q.empty())
    {
        int node=q.front();
        q.pop();
        if (node==y)
            return lvl[y];
        for (int i=0;i<v[node].size();i++)
        {
            if (!lvl[v[node][i]])
            {
                lvl[v[node][i]]=lvl[node]+1;
                q.push(v[node][i]);
            }
        }
    }
}
int main()
{
    cin >>n>>m>>st1>>st2>>a>>b;
    for (int i=0;i<m;i++)
 
 
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컴파일 시 표준 에러 (stderr) 메시지

007.cpp: In function 'int bs(int, int)':
007.cpp:17:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i=0;i<v[node].size();i++)
                       ^
007.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70