Submission #1175920

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1175920	2025-03-29 13:28:21	VMaksimoski008	Constellation 3 (JOI20_constellation3)	C++20	100 / 100	474 ms	92020 KiB

constellation3

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#include <bits/stdc++.h>
#define ar array
//#define int long long
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
const int mod = 1e9 + 7;
const ll inf = 1e18;
const int maxn = 2e5 + 5;
struct fenwick {
    int n;
    vector<ll> tree;
    void init(int _n) { n = _n + 10; tree.resize(n+50); }
    void update(int p, ll v) {
        for(p++; p<n; p+=p&-p) tree[p] += v;
    }
    ll query(int p) {
        ll ans = 0;
        for(p++; p; p-=p&-p) ans += tree[p];
        return ans;
    }
} fwt[2];
 
 
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• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 65 / 65