제출 #776195

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
776195	2023-07-07 11:45:59	Desh03	경주 (Race) (IOI11_race)	C++17	100 / 100	357 ms	35084 KiB

race

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#include "race.h"
#include <bits/stdc++.h>
using namespace std;
const int INF = 1E9;
int k, ans = INF;
vector<vector<pair<int, int>>> g;
vector<int> sz, dep, to, ds;
vector<bool> centroid;
void calc(int u, int p) {
    sz[u] = 1;
    for (auto [v, w] : g[u])
        if (v ^ p && !centroid[v])
            calc(v, u), sz[u] += sz[v];
}
int findcentroid(int u, int p, const int &s) {
    for (auto [v, w] : g[u])
        if (v ^ p && !centroid[v] && sz[v] > s)
            return findcentroid(v, u, s);
    return u;
}
void calcdep(int u, int p, int d) {
    dep[u] = d;
    for (auto [v, w] : g[u])
        if (v ^ p && !centroid[v])
            calcdep(v, u, d + 1);
}
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57