Submission #507739

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
507739	2022-01-13 03:05:39	couplefire	Constellation 3 (JOI20_constellation3)	C++17	100 / 100	460 ms	106584 KiB

constellation3

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 200005;
int n, m, arr[N], st[N][20], lg[N];
vector<int> pos[N];
int vv[N], dep[N], top, up[N][20], rt;
ll dp[N], bit[N], sum[N];
int tin[N], tout[N], tid;
vector<int> adj[N];
vector<pair<int, int>> stuff[N];
void update(int i, ll x) {
    while (i <= n) {
        bit[i] += x;
        i += i & -i;
    }
}
 
ll query(int i) {
    ll ret = 0;
    while (i) {
        ret += bit[i];
        i -= i & -i;
    }
    return ret;
}
 
 
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• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 65 / 65