Submission #414144

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
414144	2021-05-30 06:57:03	KoD	Inside information (BOI21_servers)	C++17	50 / 100	485 ms	35288 KiB

servers

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#include <bits/stdc++.h>
template <class T> using Vec = std::vector<T>;
template <class F> struct RecLambda: private F {
    explicit RecLambda(F&& f): F(std::forward<F>(f)) {}
    template <class... Args> decltype(auto) operator() (Args&&... args) const {
        return F::operator()(*this, std::forward<Args>(args)...);
    }
};
struct UnionFind {
    Vec<int> par;
    UnionFind(const int n): par(n, -1) {}
    int find(const int u) {
        return par[u] < 0 ? u : par[u] = find(par[u]);
    }
    void merge(int x, int y) {
        x = find(x);
        y = find(y);
        if (x != y) {
            par[x] = y;
        }
    }
};
int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int N, K;
 
 
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• Subtask 1: 2.5 / 2.5
• Subtask 2: 0 / 2.5
• Subtask 3: 2.5 / 2.5
• Subtask 4: 0 / 2.5
• Subtask 5: 5 / 5
• Subtask 6: 0 / 5
• Subtask 7: 10 / 10
• Subtask 8: 0 / 10
• Subtask 9: 12.5 / 12.5
• Subtask 10: 0 / 12.5
• Subtask 11: 17.5 / 17.5
• Subtask 12: 0 / 17.5