제출 #532813

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
532813	2022-03-04 02:25:53	couplefire	Port Facility (JOI17_port_facility)	C++17	0 / 100	0 ms	204 KiB

port_facility

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#include <bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define f first
#define s second
const int N = 1<<20;
const int MOD = 1000000007;
int n; pii arr[N];
int id[N<<1];
int fa[N], siz[N];
pii seg[N<<2];
void init(int v = 1, int tl = 0, int tr = 2*N-1){
    if(tl==tr){
        seg[v] = {0, tl};
        return;
    }
    int tm = (tl+tr)>>1;
    init(v<<1, tl, tm);
    init(v<<1|1, tm+1, tr);
    seg[v] = max(seg[v<<1], seg[v<<1|1]);
}
void upd(int pos, int val, int v = 1, int tl = 0, int tr = 2*N-1){
    if(tr<pos || tl>pos) return;
    if(tl==tr){
        seg[v] = {val, pos};
        return;
 
 
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