Submission #725001

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
725001	2023-04-16 12:43:35	berr	Jail (JOI22_jail)	C++17	49 / 100	5007 ms	29108 KiB

jail

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#include <bits/stdc++.h>
using namespace std; 
const int N = 1e5 + 2e4 + 37;
vector<int> adj[N], adj2[N], adj3[N], s(N), e(N), ti(N), to(N), vis(N), de(N), qe(N, -1), qs(N, -1);
int par[N][18], cnt, flag;
bool ia(int x, int y){
    return ti[x] <= ti[y] && to[x] >= to[y];
}
int d(int x, int y){
    if(x == y || x==-1 || y==-1) return 0;
    int sum = 0;
    if(ia(x, y)) swap(x, y);
    for (int i = 17; i >= 0; i--){
        if(!ia(par[x][i], y)){
            x = par[x][i];
            sum += 1<<i;
        }
    }
    sum++;
    x=par[x][0];
 
 
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