Submission #924729

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
924729	2024-02-09 15:12:02	Camillus	Building Skyscrapers (CEOI19_skyscrapers)	C++17	54 / 100	576 ms	16668 KiB

skyscrapers

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/// @author Camillus
#include "bits/stdc++.h"
using ll = long long;
using namespace std;
struct dsu {
    vector<int> p;
    dsu() = default;
    dsu(int n) {
        p.resize(n);
        iota(p.begin(), p.end(), 0);
    }
    int get(int x) {
        if (x == p[x]) {
            return x;
        } else {
            return p[x] = get(p[x]);
        }
    }
    void join(int x, int y) {
        x = get(x);
        y = get(y);
        p[x] = y;
    }
};
 
 
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