Submission #43411

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
43411	2018-03-15 20:45:25	XmtosX	007 (CEOI14_007)	C++14	0 / 100	567 ms	18888 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 lvl[300005][2];
void bs (int x,int y)
{
    queue<int> q;
    lvl[x][y]=1;
    q.push(x);
    while (!q.empty())
    {
        int node=q.front();
        q.pop();
        for (int i=0;i<v[node].size();i++)
        {
            if (!lvl[v[node][i]][y])
            {
                lvl[v[node][i]][y]=lvl[node][y]+1;
                q.push(v[node][i]);
            }
        }
    }
}
int main()
{
    cin >>n>>m>>st1>>st2>>a>>b;
    for (int i=0;i<m;i++)
    {
        int x,y;
 
 
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Compilation message (stderr)

007.cpp: In function 'void bs(int, int)':
007.cpp:15:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i=0;i<v[node].size();i++)
                       ^
007.cpp: In function 'int main()':
007.cpp:38:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<v[a].size();i++)
                   ^
007.cpp:43:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<v[b].size();i++)
                   ^
007.cpp:49:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<v1.size();i++)
                   ^

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