Submission #90659

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
90659	2018-12-23 10:09:54	314rate	007 (CEOI14_007)	C++14	0 / 100	502 ms	102168 KiB

007

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int N=200000+5;
int n,m;
int s,d,a,b;
vector<int>g[N];
int di[2][N];
void build(int k,int go)
{
    for(int i=1;i<=n;i++)
    {
        di[k][i]=-1;
    }
    di[k][go]=0;
    queue<int>q;
    q.push(go);
    while(!q.empty())
    {
        int nod=q.front();
        q.pop();
        for(auto &nou:g[nod])
        {
 
 
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• Subtask 1: 0 / 30
• Subtask 2: 0 / 70