Submission #703160

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
703160	2023-02-26 09:50:59	Cyanmond	Dynamic Diameter (CEOI19_diameter)	C++17	31 / 100	475 ms	36216 KiB

diameter

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#include <bits/stdc++.h>
using i64 = long long;
struct Edge {
    int to;
    i64 w;
};
using T = std::pair<i64, int>;
T op(T a, T b) {
    return std::max(a, b);
}
T e() {
    return {0, 0};
}
using U = i64;
T map(i64 a, T b) {
    return {b.first + a, b.second};
}
i64 composite(i64 a, i64 b) {
    return a + b;
}
i64 id() {
    return 0;
}
class lazySegtree {
    int n, logn, size;
    std::vector<T> node;
    std::vector<U> lazy;
 
 
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