제출 #422425

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
422425	2021-06-10 06:28:41	tengiz05	공장들 (JOI14_factories)	C++17	33 / 100	4003 ms	264452 KiB

factories

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#include "factories.h"
#include <bits/stdc++.h>
using i64 = long long;
constexpr int N = 500000, K = 20, M = 2 * N + 5;
std::vector<std::pair<int, i64>> e[N];
i64 st[M][K + 1];
int lg[M + 1], n, P[N], timer;
i64 D[N];
i64 pos[M];
std::vector<int> order;
int par[N];
void dfs(int u, int p, i64 d = 0){
    order.push_back(u);
    par[u] = p;
    P[u] = timer;
    pos[timer++] = d;
    D[u] = d;
    for (auto [v, w] : e[u]) {
        if (v != p) {
            dfs(v, u, d + w);
            pos[timer++] = d;
        }
    }
}
inline i64 range(int L, int R) {
    if (L > R) std::swap(L, R);
    int j = lg[R - L + 1];
    return std::min(st[L][j], st[R - (1 << j) + 1][j]);
}
inline i64 dist(int u, int v) {
 
 
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• Subtask 2: 18 / 18
• Subtask 3: 0 / 67