제출 #551907

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
551907	2022-04-21 21:05:47	QwertyPi	Bubble Sort 2 (JOI18_bubblesort2)	C++14	38 / 100	9060 ms	8652 KiB

bubblesort2

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#include "bubblesort2.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 5e5 + 5, K = 1e6 + 6;
const int INF = 1e9 + 1;
typedef pair<int, int> pii;
struct BIT{
  int bit[K + 1];
  void init(int n){
    for(int i = 1; i <= n; i++){
      bit[i] = 0;
    }
  }
  void upd(int p, int v){
    while(p <= K){
      bit[p] += v;
      p += p & -p; 
    }
  }
  int qry(int p){
    int ret = 0;
    while(p){
      ret += bit[p];
      p -= p & -p;
    }
    return ret;
  }
} bit;
 
 
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• Subtask 2: 21 / 21
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