Submission #274827

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
274827	2020-08-19T16:23:57 Z	test2	Gap (APIO16_gap)	C++14	100 / 100	81 ms	3308 KB

gap

#include <bits/stdc++.h>
#include <stdlib.h>

#include "gap.h"

#define I inline void 

using ll = long long ; 
using ld = long double ; 

using namespace std ; 

const int mod = 1e9 + 7 ; 

long long findGap(int T, int N)
{
	ll ans = 0 ; 
	if(T == 1){
		ll lo = 0, hi = 1e18 ; 

		multiset<ll> s ; 
		int l = 0 , r = N - 1; 
		vector<ll> arr(N+1 , 0) ; 
		while(l<=r){
			ll mn ,mx ; 
			MinMax(lo , hi , &mn , &mx) ; 
			arr[l] = mn ; 
			arr[r] = mx ; 
			l++ ; 
			r-- ; 
			lo = mn + 1 ; 
			hi = mx - 1; 
		}
		for(int i =1 ;i < N ;i++)
			ans = max(ans , arr[i] - arr[i-1]) ;
	}
	else{

		ll mn , mx ; 
		MinMax(0 , 1e18 , &mn , &mx) ; 
		ll d = (mx - mn - 1 + N - 2 ) / (N - 1) ;
		vector<ll> vec = {mn , mx } ; 

		ll cur = mn + 1 ; 

		while(cur < vec[1]){
			MinMax(cur , min(vec[1] - 1, cur + d - 1 ) , &mn , &mx) ; 
			cur+=d ; 
			if(mn == -1){
				continue ; 
			}
			vec.push_back(mn) ; 
			vec.push_back(mx) ; 
			if(ans > vec[1] - vec.back())break ;
		}
		sort(vec.begin() , vec.end()) ; 
		for(int i = 1 ; i < (int) vec.size() ;i ++){
			ans = max(ans , vec[i] - vec[i-1] ) ; 
		}

	}

	return ans ; 
}

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	16 ms	768 KB	Output is correct
17	Correct	14 ms	768 KB	Output is correct
18	Correct	13 ms	768 KB	Output is correct
19	Correct	15 ms	760 KB	Output is correct
20	Correct	9 ms	768 KB	Output is correct
21	Correct	57 ms	1912 KB	Output is correct
22	Correct	54 ms	1940 KB	Output is correct
23	Correct	52 ms	1884 KB	Output is correct
24	Correct	52 ms	1908 KB	Output is correct
25	Correct	43 ms	1912 KB	Output is correct
26	Correct	56 ms	1960 KB	Output is correct
27	Correct	55 ms	1880 KB	Output is correct
28	Correct	53 ms	1928 KB	Output is correct
29	Correct	55 ms	1880 KB	Output is correct
30	Correct	38 ms	1920 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct

Subtask #2

70.0 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	17 ms	896 KB	Output is correct
17	Correct	19 ms	928 KB	Output is correct
18	Correct	18 ms	896 KB	Output is correct
19	Correct	20 ms	896 KB	Output is correct
20	Correct	8 ms	512 KB	Output is correct
21	Correct	74 ms	2328 KB	Output is correct
22	Correct	74 ms	2288 KB	Output is correct
23	Correct	72 ms	2316 KB	Output is correct
24	Correct	78 ms	2292 KB	Output is correct
25	Correct	66 ms	3308 KB	Output is correct
26	Correct	77 ms	2336 KB	Output is correct
27	Correct	73 ms	2328 KB	Output is correct
28	Correct	81 ms	2224 KB	Output is correct
29	Correct	71 ms	2288 KB	Output is correct
30	Correct	34 ms	1528 KB	Output is correct
31	Correct	0 ms	384 KB	Output is correct
32	Correct	0 ms	384 KB	Output is correct