Submission #414724

#	Time	Username	Problem	Language	Result	Execution time	Memory
414724		ackerman	Traffic (IOI10_traffic)	C++14	Compilation error	0 ms	0 KiB

traffic

#include "traffic.h"
#include <vector>
using namespace std;


const int MAX_N = 1e6+2;
vector<int> adj[MAX_N];

int dfs(int u, int p) {
    int ans = 0;
    for(int to : adj[u]) {
        if(to == p) continue;
        ans += dfs(to, u);
    }
    return ans;
}

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]);
    }

    int ans = INT_MAX;
    for(int i = 0; i < N; i++) {
        int max_traffic = INT_MIN;
        for(int to : adj[i]) {
            max_traffic = max(max_traffic, dfs(to, i));
        }
        ans = min(ans, max_traffic);
    }
    return ans;
}

Compilation message (stderr)

traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:24:15: error: 'INT_MAX' was not declared in this scope
   24 |     int ans = INT_MAX;
      |               ^~~~~~~
traffic.cpp:3:1: note: 'INT_MAX' is defined in header '<climits>'; did you forget to '#include <climits>'?
    2 | #include <vector>
  +++ |+#include <climits>
    3 | using namespace std;
traffic.cpp:26:27: error: 'INT_MIN' was not declared in this scope
   26 |         int max_traffic = INT_MIN;
      |                           ^~~~~~~
traffic.cpp:26:27: note: 'INT_MIN' is defined in header '<climits>'; did you forget to '#include <climits>'?