Submission #1038356

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1038356	2024-07-29 17:27:14	Thunnus	Growing Trees (BOI11_grow)	C++17	100 / 100	95 ms	4204 KiB

grow

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#include<bits/stdc++.h>
using namespace std;
using i64 = long long;
#define int i64
#define vi vector<int>
#define vvi vector<vi>
#define vb vector<bool>
#define pii pair<int, int>
#define fi first
#define se second
#define sz(x) (int)(x).size()
struct BIT{
    vi bit;
    BIT(int n) : bit(n + 2) {}
    void add(int idx, int val){
        for(++idx; idx < sz(bit); idx += idx & -idx){
            bit[idx] += val;
        }
    }
    int sum(int idx){
        int ret = 0;
        for(++idx; idx; idx -= idx & -idx)
            ret += bit[idx];
        return ret;
    }
};
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10