제출 #398177

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
398177	2021-05-03 21:04:33	4fecta	Meetings 2 (JOI21_meetings2)	C++17	100 / 100	2091 ms	30312 KiB

meetings2

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define ld long double
#define pii pair<int, int>
#define f first
#define s second
#define boost() cin.tie(0), cin.sync_with_stdio(0)
const int MN = 200005;
int n, u, v, ans[MN], dep[MN], sz[MN], vis[MN], bit[MN], rsz; //deepest dep with this size
vector<int> a[MN], upds;
void upd(int x, int val) {
    for (int i = x; i < MN; i += i & -i) bit[i] = max(bit[i], val);
    upds.push_back(x);
}
int qry(int x) {
    int ret = 0;
    for (int i = x; i > 0; i -= i & -i) ret = max(ret, bit[i]);
    return ret;
}
void rev(int x) {
    for (int i = x; i < MN; i += i & -i) bit[i] = 0;
}
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 16 / 16
• Subtask 3: 80 / 80