Submission #337151

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
337151	2020-12-18T15:59:29 Z	CaroLinda	Gap (APIO16_gap)	C++14	100 / 100	53 ms	2028 KB

gap

#include "gap.h"
#include <bits/stdc++.h>

#define all(x) x.begin(),x.end()
#define sz(x) (int)(x.size() )
#define ll long long 

const ll MAX = 1e18 ;

using namespace std ;

long long findGap(int T, int N)
{
	
	if( T == 1 || N <= 7 )
	{
		vector<ll> a(N) ;

		MinMax(0LL,MAX, &a[0] , &a[N-1] ) ;

		for(int l = 1 , r = N-2 ; l <= r ; l++ , r-- )
			MinMax(a[l-1]+1, a[r+1]-1, &a[l], &a[r] ) ;
		
		ll resp = -1LL ;

		for(int i = 0 ; i < N-1 ; i++ ) resp = max(resp, a[i+1]-a[i] ) ;

		return resp ; 

	}

	ll cur = -1 ,mn=-1 , mx=-1 , biggest=-1 ;

	MinMax(0, MAX, &cur, &biggest ) ;

	ll d = (biggest-cur+N)/N ;

	while( true )
	{

		if( cur + d > biggest ) return d ;				

		MinMax(cur+1, cur+d, &mn, &mx ) ;

		if( mx != -1 ) 
		{
			cur = mx ; 
			continue ;
		}

		ll l = cur+d+1, r = cur + (d<<1LL) ;

		while( true )
		{
			MinMax(l, min(r, biggest), &mn, &mx ) ;

			if( r >= biggest ) return ( mn == -1 ) ? d : (mn-cur) ;
		
			if( mn != -1 )
			{
				d = mn - cur ;
				cur = mn ;
				break ;
			}			

			ll auxL = r+1 ;
			ll auxR = cur+((r-cur)<<1LL );

			l = auxL ;
			r = auxR ;
	 	
		}
	}

	return d ;

}

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	11 ms	748 KB	Output is correct
17	Correct	11 ms	768 KB	Output is correct
18	Correct	11 ms	748 KB	Output is correct
19	Correct	12 ms	748 KB	Output is correct
20	Correct	8 ms	748 KB	Output is correct
21	Correct	42 ms	1900 KB	Output is correct
22	Correct	47 ms	1900 KB	Output is correct
23	Correct	42 ms	1900 KB	Output is correct
24	Correct	43 ms	2028 KB	Output is correct
25	Correct	37 ms	1900 KB	Output is correct
26	Correct	42 ms	1900 KB	Output is correct
27	Correct	42 ms	1900 KB	Output is correct
28	Correct	45 ms	1900 KB	Output is correct
29	Correct	42 ms	1900 KB	Output is correct
30	Correct	36 ms	2028 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct

Subtask #2

70.0 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	8 ms	492 KB	Output is correct
17	Correct	8 ms	700 KB	Output is correct
18	Correct	8 ms	492 KB	Output is correct
19	Correct	8 ms	492 KB	Output is correct
20	Correct	4 ms	492 KB	Output is correct
21	Correct	28 ms	1132 KB	Output is correct
22	Correct	29 ms	1232 KB	Output is correct
23	Correct	28 ms	1132 KB	Output is correct
24	Correct	28 ms	1132 KB	Output is correct
25	Correct	53 ms	1364 KB	Output is correct
26	Correct	28 ms	1132 KB	Output is correct
27	Correct	28 ms	1132 KB	Output is correct
28	Correct	29 ms	1132 KB	Output is correct
29	Correct	29 ms	1124 KB	Output is correct
30	Correct	15 ms	1132 KB	Output is correct
31	Correct	0 ms	364 KB	Output is correct
32	Correct	0 ms	364 KB	Output is correct