Submission #998190

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
998190	2024-06-13 11:41:16	The_Samurai	Race (IOI11_race)	C++17	100 / 100	244 ms	63316 KiB

race

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#include "bits/stdc++.h"
#include "race.h"
using namespace std;
using ll = long long;
const int inf = 1e9, N = 2e5 + 5;
int ans = inf, k, z = 0;
vector<vector<pair<int, int>>> g(N);
vector<int> par(N, -1), heavy(N), height2(N);
vector<ll> height(N);
vector<set<pair<ll, int>>> st;
/*
*/
int dfs(int u) {
    int size = 1, max_child_size = 0;
    for (auto [v, w]: g[u]) {
        if (par[u] == v) continue;
        height[v] = height[u] + w;
        height2[v] = height2[u] + 1;
        par[v] = u;
        int child_size = dfs(v);
        if (child_size > max_child_size) {
            heavy[u] = heavy[v];
            max_child_size = child_size;
        }
        size += child_size;
    }
    if (size == 1) {
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57