#include "towns.h"
#include <bits/stdc++.h>
using namespace std;
int hubDistance(int N, int sub) {
pair<int, int> mx={0, 0};
int l=0, r, mn=INT_MAX;
vector<int> dl(N), dr(N);
for (int i=1; i<N;i ++) dl[i]=getDistance(0, i), mx=max(mx, {dl[i], i});
r=mx.second;
dr[l]=dl[r];
for (int i=0; i<N;i ++) if (i!=l&&i!=r) dr[i]=getDistance(r, i);
int dist=dl[r];
map<int, int> mp;
mp[0]=mp[dl[r]]=0;
for (int i=0; i<N; i++)
{
if (i==l||i==r) continue;
int x=dl[i], y=dr[i], h=(x+dist-y)/2, dh=(x+y-dist)/2;
if (mp.find(h)==mp.end()) mp[h]=dh;
else mp[h]=max(mp[h], dh);
}
for (auto [x, a]:mp)
{
int mx=a;
for (auto [y, b]:mp) mx=max(mx, abs(x-y)+b);
mn=min(mn, mx);
}
return mn;
}
Compilation message
towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:26:7: warning: declaration of 'mx' shadows a previous local [-Wshadow]
26 | int mx=a;
| ^~
towns.cpp:7:17: note: shadowed declaration is here
7 | pair<int, int> mx={0, 0};
| ^~
towns.cpp:6:28: warning: unused parameter 'sub' [-Wunused-parameter]
6 | int hubDistance(int N, int sub) {
| ~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
860 KB |
Output is correct |
2 |
Correct |
7 ms |
704 KB |
Output is correct |
3 |
Correct |
0 ms |
444 KB |
Output is correct |
4 |
Correct |
10 ms |
860 KB |
Output is correct |
5 |
Correct |
10 ms |
1012 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
512 KB |
Output is correct |
2 |
Correct |
7 ms |
860 KB |
Output is correct |
3 |
Correct |
9 ms |
860 KB |
Output is correct |
4 |
Correct |
10 ms |
856 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
7 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
9 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
7 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
7 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |