oj.uz

Submission #815386

# Submission time Handle Problem Language Result Execution time Memory
815386 2023-08-08T14:37:31 Z kwongweng Towns (IOI15_towns) C++17
25 / 100
 13 ms 1136 KB 
#include "towns.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long double ld;
typedef pair<ll, ll> pll;
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define ROF(i, a, b) for(int i = a; i >= b; i--)
#define ms memset
#define pb push_back
#define fi first
#define se second
#define dist(i,j) getDistance(i,j)

int hubDistance(int N, int sub) {
	int d[N][N]; ms(d,0,sizeof(d));
	int mx = 0, u=0;
	FOR(i,1,N){
		d[0][i] = d[i][0] = dist(0,i);
		if (d[0][i] > mx){
			mx=d[0][i]; u=i;
		}
	}
	mx=0; int v = 0;
	FOR(i,0,N){
		if (i==u) continue;
		if (i>0) d[u][i]=d[i][u]=dist(i,u);
		if (d[u][i]>mx){
			v=i; mx=d[u][i];
		}
	}
	FOR(i,0,N){
		if (i==u || i==v) continue;
		d[i][v]=d[v][i]=dist(i,v);
	}
	int R=2e9;
	FOR(i,0,N){
		R=min(R,abs(d[u][i]-d[v][i])+d[u][v]);
	}
	R/=2;
	return R;
}

Compilation message

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:19:28: warning: unused parameter 'sub' [-Wunused-parameter]
   19 | int hubDistance(int N, int sub) {
      |                        ~~~~^~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 852 KB Output is correct
2 Correct 9 ms 828 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 12 ms 872 KB Output is correct
5 Correct 12 ms 828 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 880 KB Output is correct
2 Correct 9 ms 724 KB Output is correct
3 Correct 12 ms 876 KB Output is correct
4 Correct 12 ms 852 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 752 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 1136 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 752 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 696 KB Output isn't correct
2 Halted 0 ms 0 KB -