제출 #648225

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
648225	2022-10-05 17:55:22	victor_gao	Jail (JOI22_jail)	C++17	10 / 100	2283 ms	631640 KiB

jail

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//#pragma GCC optimize("Ofast,unroll-loops,O3")
//#pragma GCC optimize("avx,avx2,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,fma,tune=native")
#include<bits/stdc++.h>
//#include<bits/extc++.h>
//#pragma pack(1)
#define fast ios::sync_with_stdio(0); cin.tie(0);
#define pii pair<int,int>
#define x first
#define y second
#define N 120015
#define C 21*120005
using namespace std;
//using namespace __gnu_pbds;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//typedef tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update> order_multiset;
//typedef tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> order_set;
int n,m,ac[25][N],have1[25][N],have2[25][N],in[N],out[N],dep[N],t=0,st[N],ed[N];
int after_st[N],after_ed[N];
int dfn[45*N],low[45*N],dft=0;
bool ins[45*N],ans=1;
stack<int>s;
vector<int>g[N],ng[45*N];
void dfs(int p,int lp){
    ac[0][p]=lp;
    in[p]=++t;
    dep[p]=dep[lp]+1;
    for (auto i:g[p]){
        if (i!=lp) dfs(i,p);
    }
    out[p]=++t;
 
 
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