제출 #716176

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
716176	2023-03-29 07:46:26	TheSahib	Examination (JOI19_examination)	C++17	0 / 100	3088 ms	846472 KiB

examination

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#include <bits/stdc++.h>
 
 
#define ll long long
#define pii pair<int, int>
 
using namespace std;
 
const int TREE_SIZE = 1e5 * 30;
const int MAXVAL = (1 << 30) - 1;
 
struct SegTree1D{
    vector<int> tree, L, R;
    int nxt = 0;
    SegTree1D(){
        addNode();
    }
    int addNode(){
        tree.emplace_back(0);
        L.emplace_back(0);
        R.emplace_back(0);
        return nxt++;
    }
    void update(int node, int l, int r, int pos, int val){
        tree[node] += val;
        if(l == r) return;
        int mid = (l + r) / 2;
        if(pos <= mid){
            if(!L[node]) L[node] = addNode();
            update(L[node], l, mid, pos, val);
 
 
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