Submission #1155904

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1155904	2025-02-23 12:57:59	vicvic	Toll (APIO13_toll)	C++20	56 / 100	70 ms	6724 KiB

toll

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#include <iostream>
#include <vector>
#include <algorithm>
#include <cstdint>
#include <functional>
#include <unordered_map>
#define int long long
using namespace std;
const int NMAX=1e5, MMAX=3e5, KMAX=20;
int ord[MMAX+5], u[NMAX+5], v[NMAX+5], w[NMAX+5], n, m, k, x[KMAX+5], y[KMAX+5], people[NMAX+5], used[MMAX+5], label[NMAX+5], total[NMAX+5], dp[NMAX+5], dp2[NMAX+5];
class DSU
{
public:
    int sz;
    vector <int> t;
    DSU (int n=0): sz (n), t (n+1, -1) {};
    void reset (int n)
    {
        sz=n;
        t.resize (n+1);
        for (int i=0;i<=n;i++)
        {
            t[i]=-1;
        }
    }
    int get (int nod) {return t[nod]<0?nod:t[nod]=get (t[nod]);}
    bool same (int nod, int nod1) {return get (nod)==get (nod1);}
    void join (int x, int y)
    {
        x=get (x), y=get (y);
 
 
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• Subtask 1: 16 / 16
• Subtask 2: 18 / 18
• Subtask 3: 22 / 22
• Subtask 4: 0 / 22
• Subtask 5: 0 / 22