Submission #715451

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
715451	2023-03-26T18:40:22 Z	study	Gap (APIO16_gap)	C++17	100 / 100	60 ms	2320 KB

gap

#include <bits/stdc++.h>
#include "gap.h"
using ll = long long;
using namespace std;

long long findGap(int T, int N){
	if (T == 1 or N == 2){
		ll pmini = 0, pmaxi = 1e18+2;
		vector<ll> ans;
		for (int i=0; i<(N+1)/2; ++i){
			long long a,b;
			MinMax(pmini,pmaxi,&a,&b);
			ans.emplace_back(a);
			ans.emplace_back(b);
			pmini = a+1;
			pmaxi = b-1;
		}
		sort(ans.begin(),ans.end());
		ll res = 0;
		for (int i=1; i<ans.size(); ++i){
			res = max(res,ans[i]-ans[i-1]);
		}
		return res;
	}
	else{
		ll mini,maxi, MAX_VAL = 1e18;
		MinMax(0ll,MAX_VAL,&mini,&maxi);
		ll block_siz = (maxi-mini-1)/(N-1), prev = mini, ans = 0;
		for (ll i=mini+1; i<=maxi-1; i += block_siz+1){
			ll a,b;
			MinMax(i,i+block_siz,&a,&b);
			if (a != -1) ans = max(ans,a-prev);
			if (b != -1) prev = b;
		}
		return ans;
	}
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:20:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   for (int i=1; i<ans.size(); ++i){
      |                 ~^~~~~~~~~~~

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	208 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	208 KB	Output is correct
6	Correct	0 ms	208 KB	Output is correct
7	Correct	0 ms	208 KB	Output is correct
8	Correct	1 ms	208 KB	Output is correct
9	Correct	0 ms	208 KB	Output is correct
10	Correct	0 ms	208 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	10 ms	848 KB	Output is correct
17	Correct	11 ms	812 KB	Output is correct
18	Correct	12 ms	848 KB	Output is correct
19	Correct	13 ms	848 KB	Output is correct
20	Correct	10 ms	848 KB	Output is correct
21	Correct	51 ms	2204 KB	Output is correct
22	Correct	41 ms	2252 KB	Output is correct
23	Correct	44 ms	2320 KB	Output is correct
24	Correct	49 ms	2136 KB	Output is correct
25	Correct	38 ms	2244 KB	Output is correct
26	Correct	50 ms	2188 KB	Output is correct
27	Correct	42 ms	2240 KB	Output is correct
28	Correct	46 ms	2204 KB	Output is correct
29	Correct	40 ms	2168 KB	Output is correct
30	Correct	34 ms	2256 KB	Output is correct
31	Correct	0 ms	208 KB	Output is correct
32	Correct	1 ms	208 KB	Output is correct

Subtask #2

70.0 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	208 KB	Output is correct
2	Correct	1 ms	208 KB	Output is correct
3	Correct	0 ms	208 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	1 ms	208 KB	Output is correct
8	Correct	0 ms	208 KB	Output is correct
9	Correct	0 ms	208 KB	Output is correct
10	Correct	0 ms	208 KB	Output is correct
11	Correct	1 ms	208 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	208 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	13 ms	508 KB	Output is correct
17	Correct	12 ms	428 KB	Output is correct
18	Correct	13 ms	636 KB	Output is correct
19	Correct	13 ms	504 KB	Output is correct
20	Correct	7 ms	464 KB	Output is correct
21	Correct	55 ms	1004 KB	Output is correct
22	Correct	49 ms	1052 KB	Output is correct
23	Correct	60 ms	968 KB	Output is correct
24	Correct	54 ms	1056 KB	Output is correct
25	Correct	48 ms	1088 KB	Output is correct
26	Correct	60 ms	1080 KB	Output is correct
27	Correct	50 ms	968 KB	Output is correct
28	Correct	51 ms	1080 KB	Output is correct
29	Correct	53 ms	1056 KB	Output is correct
30	Correct	29 ms	1088 KB	Output is correct
31	Correct	0 ms	208 KB	Output is correct
32	Correct	1 ms	208 KB	Output is correct