Submission #1161224

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1161224	2025-03-04 03:55:39	brinton	Two Currencies (JOI23_currencies)	C++20	100 / 100	765 ms	77060 KiB

currencies

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#include <bits/stdc++.h>
using namespace std;
#define int long long
struct dataS{
    // now is bit
    private:
    vector<int> tree;
    int N;
    int query(int idx){
        int ans = 0;
        for(int i = idx;i >= 1;i -= i&-i){
            ans += tree[i];
        }
        return ans;
    }
    public:
    dataS(int iN){
        N = iN;
        tree.resize(N+1);
    } 
    void modify(int idx,int dv){
        for(int i = idx;i <= N;i += i&-i){
            tree[i] += dv;
        }
    }
    int query(int u,int v){
        if(u > v)swap(u,v);
        return query(v)-query(u);
    }
};
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32