Submission #106768

# Submission time Handle Problem Language Result Execution time Memory
106768 2019-04-20T11:20:20 Z Diuven Gap (APIO16_gap) C++14
88.619 / 100
81 ms 4236 KB
#include "gap.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long lint;
typedef pair<lint, lint> pll;

pll ask(lint l, lint r){
	pll res;
//	cout<<"Ask: "<<l<<' '<<r<<'\n';
	MinMax(l, r, &res.first, &res.second);
	return res;
}

lint solve1(int n){
	vector<lint> A;
	lint s=1, e = 1e18;
	while((int)A.size()<n){
		pll now = ask(s,e);
		A.push_back(now.first);
		A.push_back(now.second);
		s = now.first+1, e = now.second-1;
	}
	sort(A.begin(), A.end());
	lint ans = 0;
	for(int i=1; i<(int)A.size(); i++) 
		ans = max(ans, A[i]-A[i-1]);
	return ans;
}

lint solve2(int n){
	pll F = ask(1, 1e18);
	lint s = F.first, e = F.second, l = (e-1)-(s+1)+1;
	lint b = l/n;
	vector<lint> V;
	for(int i=0; i<n; i++) V.push_back(b + (i<l-b*n));

	vector<pll> P;
	{
		lint now = s+1;
		for(int i=0; i<n; i++){
			pll res = ask(now, now+V[i]);
			P.push_back(res);
			now += V[i];
		}
	}

	lint ans = 0;
	{
		lint last = s;
		for(int i=0; i<n; i++){
			if(P[i].first<0) continue;
			lint now = P[i].first - last;
			ans = max(ans, now);
			last = P[i].second;
		}
	}
	return ans;
}

lint findGap(int T, int N){
	if(T==1) return solve1(N);
	else return solve2(N);
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 17 ms 896 KB Output is correct
17 Correct 23 ms 896 KB Output is correct
18 Correct 16 ms 896 KB Output is correct
19 Correct 14 ms 896 KB Output is correct
20 Correct 13 ms 868 KB Output is correct
21 Correct 52 ms 2288 KB Output is correct
22 Correct 56 ms 2288 KB Output is correct
23 Correct 57 ms 2416 KB Output is correct
24 Correct 59 ms 2288 KB Output is correct
25 Correct 43 ms 2288 KB Output is correct
26 Correct 49 ms 2288 KB Output is correct
27 Correct 57 ms 2288 KB Output is correct
28 Correct 57 ms 2288 KB Output is correct
29 Correct 55 ms 2288 KB Output is correct
30 Correct 51 ms 2296 KB Output is correct
31 Correct 3 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 21 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 512 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 24 ms 1396 KB Output is correct
17 Correct 25 ms 1396 KB Output is correct
18 Correct 19 ms 1404 KB Output is correct
19 Correct 22 ms 1404 KB Output is correct
20 Partially correct 10 ms 1404 KB Partially correct
21 Correct 68 ms 4176 KB Output is correct
22 Correct 69 ms 4044 KB Output is correct
23 Correct 79 ms 4236 KB Output is correct
24 Correct 63 ms 4076 KB Output is correct
25 Correct 67 ms 4044 KB Output is correct
26 Correct 76 ms 4048 KB Output is correct
27 Correct 71 ms 4132 KB Output is correct
28 Correct 74 ms 4200 KB Output is correct
29 Correct 81 ms 4048 KB Output is correct
30 Partially correct 49 ms 4092 KB Partially correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct