Submission #1157415

#	Time	Username	Problem	Language	Result	Execution time	Memory
1157415		Doncho_Bonboncho	Towns (IOI15_towns)	C++20	0 / 100	8 ms	328 KiB

towns

#include "towns.h"
#include <bits/stdc++.h>
using namespace std;

#ifndef LOCAL
#define cerr if(false) cerr
#endif


template< class T, class T2 > inline bool chkmax( T& a, const T2& b ){ return a < b ? a = b, 1 : 0 ; };
template< class T, class T2 > inline bool chkmin( T& a, const T2& b ){ return a > b ? a = b, 1 : 0 ; };

#define out(x) #x << " = " << x << "  "

typedef long long ll;

const int MAX_N = 128;
const ll inf = 1e17;

int n;
int dist[MAX_N][MAX_N];
int hubDistance(int N, int sub) {

	n = N;

	ll mxDist = -1;

	int d1, d2;
	for( int i=0 ; i < n ; i++ ){
		if( i == 0 ) continue;
		ll currDist = getDistance( 0, i );

	}


	mxDist = -1;
	for( int i=0 ; i < n ; i++ ){
		if( i == d1 ) continue;
		ll currDist = getDistance( d1, i );
		if( chkmax( mxDist, currDist ) ) d2 = i;
	}
	ll distDiam = getDistance( d1, d2 );
	cerr << out( d1 ) << out( d2 ) << out( getDistance( d1, d2 ) ) << endl;

	ll nas = inf;
	for( int i=0 ; i < n ; i++ ){
		if( i == d1 || i == d2 ) continue;
		ll dist1 = getDistance( i, d1 );
		ll dist2 = getDistance( i, d2 );

		ll diff = abs( dist1 - dist2 );
		ll currNas = ( distDiam - diff ) / 2 + diff;
		chkmin( nas, currNas );
	}

	return nas;
}

• Subtask 1: 0 / 13
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 10
• Subtask 5: 0 / 13
• Subtask 6: 0 / 39