Submission #1090207

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1090207	2024-09-18 02:08:15	efishel	Synchronization (JOI13_synchronization)	C++17	100 / 100	290 ms	35712 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>;
using vii = vector <ii>;
const ll MAXN = 1E5+16, LOG = 17;
ll anc[MAXN][LOG];
vii adj[MAXN];
bool isOn[MAXN];
ii edg[MAXN];
ll ans[MAXN];
ll last[MAXN];
ll tin[MAXN], tout[MAXN], timer = 0;
struct Fenwick {
    vll tree;
    ll n;
    Fenwick (ll n): tree(n), n(n) {}
    void update (ll ql, ll qr, ll val) { update(ql, val); update(qr+1, -val); }
    void update (ll id, ll val) {
        for (; id < n; id |= id+1) tree[id] += val;
    }
    ll query (ll id) {
        ll ans = 0;
        for (; id >= 0; id &= id+1, id--) ans += tree[id];
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40