제출 #886491

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
886491	2023-12-12 08:32:10	boris_mihov	Money (IZhO17_money)	C++17	100 / 100	443 ms	23380 KiB

money

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#include <algorithm>
#include <iostream>
#include <numeric>
#include <cassert>
#include <bitset>
#include <vector>
#include <stack>
typedef long long llong;
const int MAXN = 1000000 + 10;
const int MAXLOG = 20;
int n;
struct Fenwick
{
    int tree[MAXN];
    void update(int pos, int val)
    {
        for (int idx = pos ; idx < MAXN ; idx += idx & (-idx))
        {
            tree[idx] += val;
        }
    }
    int query(int pos)
    {
        int res = 0;
        for (int idx = pos ; idx > 0 ; idx -= idx & (-idx))
        {
            res += tree[idx];
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 55 / 55