제출 #921588

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
921588	2024-02-04 07:22:44	GrandTiger1729	Monochrome Points (JOI20_monochrome)	C++17	100 / 100	1197 ms	7160 KiB

monochrome

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#include <bits/stdc++.h>
using namespace std;
struct BIT
{
    int n;
    vector<int> bit;
    BIT(int n_) : n(n_), bit(n + 1) {}
    void add(int i, int u)
    {
        for (; i <= n; i += i & -i)
        {
            bit[i] += u;
        }
    }
    int query(int i)
    {
        int ret = 0;
        for (; i > 0; i -= i & -i)
        {
            ret += bit[i];
        }
        return ret;
    }
    int query(int l, int r)
    {
        return query(r) - query(l);
    }
};
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 21 / 21
• Subtask 3: 10 / 10
• Subtask 4: 65 / 65