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Submission #617679

# Submission time Handle Problem Language Result Execution time Memory
617679 2022-08-01T12:46:44 Z chirathnirodha Towns (IOI15_towns) C++17
25 / 100
 14 ms 836 KB 
#include "towns.h"
#include<bits/stdc++.h>
using namespace std;
#define PB push_back
#define F first
#define S second 
 
int hubDistance(int N, int sub) {
	int n=N;
	pair<int,int> maxdis={-1,-1};
	for(int i=0;i<n;i++){
		int x=getDistance(0,i);
		if(x>maxdis.F)maxdis={x,i};
	}
	int a=maxdis.S;
	maxdis={-1,-1};
	int dista[n],distb[n];
	for(int i=0;i<n;i++){
		int x=getDistance(a,i);dista[i]=x;
		if(x>maxdis.F)maxdis={x,i};
	}
	int b=maxdis.S;
	int dia=maxdis.F;
	int ans=dia;
	for(int i=0;i<n;i++)distb[i]=getDistance(i,b);
	for(int i=0;i<n;i++){
		int itodia=(dista[i]+distb[i]-dia)/2;
		ans=min(ans,max(dista[i]-itodia,distb[i]-itodia));
	}
	return ans;
}

Compilation message

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:8:28: warning: unused parameter 'sub' [-Wunused-parameter]
    8 | int hubDistance(int N, int sub) {
      |                        ~~~~^~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 344 KB Output is correct
2 Correct 13 ms 384 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 14 ms 344 KB Output is correct
5 Correct 14 ms 340 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 340 KB Output is correct
2 Correct 10 ms 724 KB Output is correct
3 Correct 14 ms 828 KB Output is correct
4 Correct 13 ms 836 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -