제출 #698243

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
698243	2023-02-12 23:40:06	Kahou	Abracadabra (CEOI22_abracadabra)	C++14	100 / 100	583 ms	47276 KiB

Main

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/* In the name of God, aka Allah */
// Believe me - Takeshi Abo
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define endl '\n'
#define mk make_pair
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int N = 2e5 + 50, M = 1e6 + 50, LG = 20;
int n, q, par[N], out[M];
vector<pii> vc[N];
int p[N], pp[N];
int fen[N];
void upd(int i, int x) {
        for (; i <= n; i += i&-i) fen[i] += x;
}
int get(int i) {
        int out = 0;
        for (; i > 0; i -= i&-i) out += fen[i];
        return out;
}
int getpos(int x) {
        int pos = 0;
        for (int k = LG-1; k >= 0; k--) {
                if (pos+(1<<k) <= n && fen[pos+(1<<k)] < x) {
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25