Submission #945769

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
945769	2024-03-14 07:31:44	noyancanturk	Railway (BOI17_railway)	C++17	100 / 100	82 ms	18788 KiB

railway

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#ifndef Local
    #pragma GCC optimize("O3,unroll-loops")
    const int lim=1e5+100;
#else
    const int lim=1e3+3;
#endif
const int lglim=18;
    
#include "bits/stdc++.h"
using namespace std;
    
//#define int int64_t
#define pb push_back
    
const int mod=998244353;
//const int mod=(1ll<<61)-1;
using pii=pair<int,int>;
int n,m,k;
int tin[lim],tout[lim],dep[lim],tt=0;
int lift[lglim][lim];
vector<pii>v[lim];
int pare[lim];
inline void tour(int node,int par){
    tin[node]=tt++;
    dep[node]=dep[par]-1;
    lift[0][node]=par;
 
 
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