제출 #284353

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
284353	2020-08-27 09:12:14	Alexa2001	Employment (JOI16_employment)	C++17	100 / 100	217 ms	12148 KiB

employment

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#include <bits/stdc++.h>
using namespace std;
const int Nmax = 4e5 + 5;
int n, q, m;
int tip[Nmax/2], val[Nmax/2], p[Nmax/2], a[Nmax/2];
vector<int> all;
class AIB
{
    int ub(int x) { return (x&(-x)); }
    int a[Nmax];
public:
    void upd(int x, int y, int add)
    {
        for(; y; y-=ub(y)) a[y] += add;
        for(--x; x; x-=ub(x)) a[x] -= add;
    }
    int query(int x)
    {
        int ans = 0;
        for(; x<=m; x+=ub(x)) ans += a[x];
        return ans;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 30 / 30
• Subtask 3: 60 / 60