Submission #571165

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
571165	2022-06-01 11:18:01	SlavicG	Swapping Cities (APIO20_swap)	C++17	100 / 100	670 ms	84440 KiB

swap

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#include "bits/stdc++.h"
using namespace std;
 
#define ll long long
 
#define       forn(i,n)              for(int i=0;i<n;i++)
#define          all(v)              v.begin(), v.end()
#define         rall(v)              v.rbegin(),v.rend()
 
#define            pb                push_back
#define          sz(a)               (int)a.size()
const int N = 4e5 + 10, K = 25;
vector<int> adj[N], g[N];
int val[N], degree[N], depth[N], jump[N][K], id, n;
bool vis[N], good;
struct DSU {
    vector<int> par;
    DSU() {
        par.assign(N, 0);
        forn(i, N) par[i] = i;
    }
    int get(int a) {
        return par[a] = (par[a] == a ? a : get(par[a]));
    }
    void uni(int a, int b) {
        a = get(a);
        b = get(b);
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 17 / 17
• Subtask 4: 20 / 20
• Subtask 5: 23 / 23
• Subtask 6: 27 / 27