Submission #749209

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
749209	2023-05-27 14:39:50	Lucpp	Two Currencies (JOI23_currencies)	C++17	100 / 100	2834 ms	197644 KiB

currencies

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
constexpr int LOG = 18;
struct PSeg{
    int cap;
    vector<pl> seg;
    vector<int> L, R;
    pl combine(pl a, pl b){
        return {a.first + b.first, a.second + b.second};
    }
    PSeg(vector<pl> v){
        int n = (int)v.size();
        for(cap = 1; cap < n; cap*=2);
        seg.resize(2*cap);
        L.assign(2*cap, -1);
        R.assign(2*cap, -1);
        for(int i = 0; i < n; i++) seg[i+cap] = v[i];
        for(int i = cap-1; i >= 1; i--){
            L[i] = 2*i; R[i] = 2*i+1;
            seg[i] = combine(seg[L[i]], seg[R[i]]);
        }
    }
    int upd(int p, pl val, int i, int l, int r){
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32