제출 #971982

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
971982	2024-04-29 16:13:23	efedmrlr	Dynamic Diameter (CEOI19_diameter)	C++17	100 / 100	4458 ms	270808 KiB

diameter

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#include <bits/stdc++.h>
#define int long long int
#define lli int
#define pb push_back
#define MP make_pair
#define ld long double
#define REP(i, n) for(int i = 0; (i) < (n); (i)++)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
using namespace std;
void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
}
const int N = 1e5 + 5;
const int INF = 1e9 + 500;
const int LGN = 18;
struct SegT {
    vector<lli> st, tag;
    int n;
    void build(int tl, int tr, int v, vector<lli> &x) {
        if(tl == tr) {
            st[v] = x[tl];
            return;
        }
        int tm = (tl + tr) >> 1;
 
 
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