oj.uz

Submission #333228

# Submission time Handle Problem Language Result Execution time Memory
333228 2020-12-05T01:39:49 Z daveeed Traffic (IOI10_traffic) C++17
0 / 100
 16 ms 23788 KB 
#include <iostream>
#include <vector>

using namespace std;

const int MAXN = 1000005;

vector<int> adj[MAXN];
long long sz[MAXN], ans[MAXN], tot;

void dfs(int i, int p = -1){
    for(int v: adj[i]) if(v != p){
        dfs(v, i);
        sz[i] += sz[v];
        ans[i] = max(ans[i], sz[v]);
    }
    ans[i] = max(ans[i], tot - sz[i]);
}

int LocateCentre(int N, int P[], int S[], int D[]){
    for(int i = 0; i < N; i++){
        sz[i] = P[i];
        tot += sz[i];
        if(i != N - 1){
            adj[S[i]].push_back(D[i]);
            adj[D[i]].push_back(S[i]);
        }
    }

    int mxi = 0;
    for(int i = 1; i < N; i++){
        if(ans[i] < ans[mxi]){
            mxi = i;
        }
    }
    return mxi;
}

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 23788 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 23788 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 23788 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 23788 KB Output isn't correct
2 Halted 0 ms 0 KB -