Submission #1162999

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1162999	2025-03-07 06:54:16	Otalp	Bridges (APIO19_bridges)	C++20	59 / 100	3095 ms	25964 KiB

bridges

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define pii pair<int, int>
#define ff first
#define ss second
#define unm unordered_map
const ll mod = 1e9 + 7;
const int MAXN = 2e5 + 5;
const int MAXA = 2e5 + 5;
vector<int> q[200100], dq[200100];
int fat = 350;
int us[200100], dus[200100], ans[200100];
struct DSU{
    int p[50100], sz[50100];
    void build(int n){
        for(int i=1; i<=n; i++){
            p[i] = i;
            sz[i] = 1;
        }
    }
    int get(int a){
        if(p[a] == a) return a;
        return p[a] = get(p[a]);
    }
    void un(int a, int b){
 
 
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• Subtask 1: 13 / 13
• Subtask 2: 16 / 16
• Subtask 3: 17 / 17
• Subtask 4: 0 / 14
• Subtask 5: 13 / 13
• Subtask 6: 0 / 27