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Submission #383854

# Submission time Handle Problem Language Result Execution time Memory
383854 2021-03-30T22:09:55 Z Leonardo_Paes Towns (IOI15_towns) C++17
25 / 100
 20 ms 384 KB 
#include "towns.h"
#include <bits/stdc++.h>
using namespace std;
int hubDistance(int N, int sub){
	int n = N;
    if(sub >= 3) return -1;
    vector<int> dist_a(n), dist_b(n), dist_c(n);
    int a = 0, b, c;
    int maximum_dist = -1, ind = -1;
    for(int i=1; i<n; i++){
      dist_a[i] = getDistance(a, i);
      if(dist_a[i] > maximum_dist){
        maximum_dist = dist_a[i];
        ind = i;
      }
    }
    b = ind;
    maximum_dist = -1;
    for(int i=0;i<n;i++){
      dist_b[i] = getDistance(b, i);
      if(dist_b[i] > maximum_dist){
        maximum_dist = dist_b[i];
        ind = i;
      }
    }
    c = ind;
    for(int i=0;i<n;i++){
      dist_c[i] = getDistance(c,i);
    }
    int ans = 2000000000;
    for(int i=0; i<n; i++){
      int d1 = (dist_b[i] + dist_c[i] - maximum_dist) / 2;
      int t = max(dist_b[i] - d1, dist_c[i] - d1);
      ans = min(ans, t);
    }
    return ans;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 364 KB Output is correct
2 Correct 15 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 20 ms 364 KB Output is correct
5 Correct 20 ms 364 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 364 KB Output is correct
2 Correct 15 ms 384 KB Output is correct
3 Correct 20 ms 384 KB Output is correct
4 Correct 20 ms 364 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 18 ms 364 KB Output isn't correct

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -