Submission #345592

#	Time	Username	Problem	Language	Result	Execution time	Memory
345592		izhang05	Traffic (IOI10_traffic)	C++17	0 / 100	15 ms	23788 KiB

traffic

#ifndef DEBUG
#include <traffic.h>
#endif
#include <bits/stdc++.h>

using namespace std;

void setIO() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
}

const int maxn = 1e6;
vector<int> adj[maxn];

void bfs(int n) {

}

int LocateCentre(int n, int p[], int s[], int d[]) {
    int left = 0, right = 0;
    for (int i = 0; i < n - 1; ++i) {
        adj[s[i]].push_back(d[i]);
        adj[d[i]].push_back(s[i]);
        right += p[i];
    }
    pair<int, int> sol = {right, 1};
    for (int i = 0; i < n; ++i) {
        left += p[i];
        right -= p[i];
        sol = min(sol, make_pair(max(left, right), i + 1));
    }
    return sol.second;
}

• Subtask 1: 0 / 25
• Subtask 2: 0 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25