Submission #708853

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
708853	2023-03-12 13:24:18	LittleCube	Towns (IOI15_towns)	C++14	100 / 100	19 ms	864 KiB

towns

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#include "towns.h"
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define F first
#define S second
using namespace std;
int hubDistance(int N, int sub)
{
  vector<int> dis0(N, 0), disU(N, 0), disD(N, 0);
  map<pii, int> mp;
  int u = 0, v = 0, mx = 0, uv, u0, v0, luv, R = 1e9;
  for (int i = 1; i < N; i++)
  {
    dis0[i] = getDistance(0, i);
    if (dis0[i] > mx)
      u = i, mx = dis0[i];
  }
  for (int i = 0; i < N; i++)
    disU[i] = getDistance(u, i);
  mx = 0;
  for (int i = 0; i < N; i++)
    if (disU[i] > mx)
      v = i, mx = disU[i];
  uv = disU[v];
  u0 = dis0[u];
  v0 = dis0[v];
 
 
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Compilation message (stderr)

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:45:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   45 |  for (auto [p, k] : mp)
      |            ^
towns.cpp:58:15: warning: declaration of 'v' shadows a previous local [-Wshadow]
   58 |   vector<int> v;
      |               ^
towns.cpp:14:13: note: shadowed declaration is here
   14 |  int u = 0, v = 0, mx = 0, uv, u0, v0, luv, R = 1e9;
      |             ^
towns.cpp:10:28: warning: unused parameter 'sub' [-Wunused-parameter]
   10 | int hubDistance(int N, int sub)
      |                        ~~~~^~~

• Subtask 1: 13 / 13
• Subtask 2: 12 / 12
• Subtask 3: 13 / 13
• Subtask 4: 10 / 10
• Subtask 5: 13 / 13
• Subtask 6: 39 / 39