oj.uz

Submission #52109

# Submission time Handle Problem Language Result Execution time Memory
52109 2018-06-23T23:50:47 Z spencercompton Towns (IOI15_towns) C++17
13 / 100
 25 ms 740 KB 
#include "towns.h"
#include <bits/stdc++.h>
using namespace std;
int hubDistance(int N, int sub) {

	pair<int, int > best = make_pair(-1,-1);
	//first is dist, second is ind
	for(int i = 1; i<N; i++){
		pair<int, int> now = make_pair(getDistance(0,i),i);
		best = max(best,now);
	}
	int first = best.second;
	best = make_pair(-1,-1);
	for(int i = 0; i<N; i++){
		if(i==first){
			continue;
		}
		pair<int, int> now = make_pair(getDistance(first,i),i);
		best = max(best,now);
	}
	int second = best.second;
	int diameter = getDistance(first,second);
	int inf = 100000000;
	int ans = inf;
	for(int i = 0; i<N; i++){
		if(i==first || i==second){
			continue;
		}
		int A = getDistance(i,first);
		int B = getDistance(i,second);
		int x = (A+B-diameter)/2;
		int a = A-x;
		int b = B-x;
		ans = min(ans,max(a,b));
	}
	return ans;
}

Compilation message

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:4:28: warning: unused parameter 'sub' [-Wunused-parameter]
 int hubDistance(int N, int sub) {
                            ^~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 504 KB Output is correct
2 Correct 16 ms 532 KB Output is correct
3 Correct 2 ms 584 KB Output is correct
4 Correct 21 ms 600 KB Output is correct
5 Correct 21 ms 600 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 632 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 684 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 732 KB Output isn't correct

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 740 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 740 KB Output isn't correct
2 Halted 0 ms 0 KB -