Submission #532229

#	Time	Username	Problem	Language	Result	Execution time	Memory
532229		srivatsav_kannan	Traffic (IOI10_traffic)	C++14	50 / 100	15 ms	2508 KiB

traffic

#include <iostream>
#include "traffic.h"
#include <fstream>
#include <vector>
#include <set>
#include <queue>
#include <cmath>
#include <map>
#include <algorithm>
#include <numeric>
#include <stack>
#include <cstring>
#include <bitset>
#include <climits>
#include <valarray>
#include <list>
#define INF 1000000000
#define endl '\n'
#define mod 1000000007
using namespace std;
vector<int> adj[1000];
int vis[1000], ar[1000];
int dfs(int node, bool root = true){
    int mx = 0;
    if (!root) mx = ar[node];
    vis[node] = 1;
    for (int child:adj[node]){
        if (vis[child] == 0){
            int cur = dfs(child, false);
            if (root) mx = max(mx, cur);
            else mx += cur;
        }
    }
    return mx;
}
int LocateCentre(int n, int p[], int s[], int d[]){
    
    for (int i = 0; i < n-1; i++){
        adj[s[i]].push_back(d[i]);
        adj[d[i]].push_back(s[i]);
    }
    for (int i = 0; i < n; i++) ar[i] = p[i];
    int mn = 1e17, mni = -1;
    for (int i = 0; i < n; i++){
        memset(vis, 0, sizeof vis);
        int cur = dfs(i);
        if (cur < mn){
            mn = cur;
            mni = i;
        }
    }
    return mni;
}

Compilation message (stderr)

traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:43:14: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+17' to '2147483647' [-Woverflow]
   43 |     int mn = 1e17, mni = -1;
      |              ^~~~

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