Submission #994557

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
994557	2024-06-08 00:55:10	vjudge1	Synchronization (JOI13_synchronization)	C++17	30 / 100	170 ms	15192 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector <ll>;
using ii = pair <ll, ll>;
const ll MAXN = 1E5+16;
vector <ii> adj[MAXN];
struct Fenwick {
    vll tree;
    ll n;
    Fenwick (ll n): tree(n, 0), n(n) {}
    void update (ll id, ll val) {
        for (; id < n; id |= id+1)
            tree[id] += val;
    }
    ll query (ll ql, ll qr) { return query(qr) - query(ql-1); }
    ll query (ll id) {
        ll ans = 0;
        for (; id >= 0; id &= id+1, id--) ans += tree[id];
        return ans;
    }
};
ii operator+ (const ii a, const ii b) {
    return {
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 0 / 40