Submission #764276

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
764276	2023-06-23 09:52:30	Blagoj	Traffic (IOI10_traffic)	C++17	50 / 100	371 ms	126528 KiB

traffic

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#include <bits/stdc++.h>
#include "traffic.h"
#pragma GCC optimize("Ofast,unroll-loops")
using namespace std;
#define endl '\n'
#define ll long long
#define all(x) x.begin(), x.end()
vector<int> g[1000003];
int sz[1000003], ppl[1000003];
bool visited[1000003];
void dfs(int n, int p = -1) {
    sz[n] = ppl[n];
    for (auto x : g[n]) {
        if (x == p) continue;
        dfs(x, n);
        sz[n] += sz[x];
    }
}
int LocateCentre(int N, int pp[], int S[], int D[]) {
    for (int i = 0; i < N - 1; i++) g[S[i]].push_back(D[i]);
    for (int i = 0; i < N; i++) ppl[i] = pp[i];
    dfs(0);
    queue<pair<int, int>> q;
    q.push({0, 0});
 
 
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• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25