Submission #391544

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
391544	2021-04-19 09:57:57	Jarif_Rahman	Swapping Cities (APIO20_swap)	C++17	37 / 100	2082 ms	12092 KiB

swap

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#include "swap.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
struct dsu{
    int n;
    vector<int> sz, p;
    vector<bool> ok;
    vector<int> adj;
    dsu(int nn){
        n = nn;
        sz.resize(n, 1);
        p.resize(n);
        ok.resize(n, 0);
        adj.resize(n, 0);
        for(int i = 0; i < n; i++) p[i] = i;
    }
    int get(int x){
        if(p[x] != x) p[x] = get(p[x]);
        return p[x];
    }
    void unite(int a, int b){
        adj[a]++, adj[b]++;
        if(adj[a] >= 3) ok[get(a)] = 1;
        if(adj[b] >= 3) ok[get(b)] = 1;
 
 
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• Subtask 1: 0 / 6
• Subtask 2: 0 / 7
• Subtask 3: 17 / 17
• Subtask 4: 20 / 20
• Subtask 5: 0 / 23
• Subtask 6: 0 / 27