Submission #1023162

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1023162	2024-07-14 11:25:24	avighna	Rigged Roads (NOI19_riggedroads)	C++17	100 / 100	378 ms	88756 KiB

riggedroads

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#include <vector>
#include <iostream>
#include <numeric>
#include <algorithm>
#include <functional>
class UFDS {
public:
    std::vector<int> par;
    UFDS(int n) : par(n + 1) {
        std::iota(par.begin(), par.end(), 0);
    }
    int root(int x) {
        if (x == par[x]) {
            return x;
        }
        return par[x] = root(par[x]);
    }
    void merge(int x, int y) {
        x = root(x);
        y = root(y);
        if (x == y) {
            return;
        }
        par[y] = x;
    }
};
 
 
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