Submission #45277

# Submission time Handle Problem Language Result Execution time Memory
45277 2018-04-12T12:55:20 Z nibnalin Gap (APIO16_gap) C++17
30 / 100
122 ms 2300 KB
#include <iostream>
#include <cstdio>
#include <vector>
#include "gap.h"
using namespace std;

typedef long long int lli;

const lli maxn = lli(1e5)+5, inf = lli(1e18)+1;

lli ans = 0, A[maxn];

void sub1(lli n)
{
	pair<lli, lli> range = {0, inf};
	lli L = 0, R = n-1;
	while(L <= R)
	{
		MinMax(range.first, range.second, &A[L], &A[R]);
		range.first = A[L]+1, range.second = A[R]-1;
		L++, R--;
	}
	for(lli i = 1;i < n;i++) ans = max(ans, A[i]-A[i-1]);
}

void sub2(lli n)
{
	pair<lli, lli> range;
	MinMax(0, inf, &range.first, &range.second);
	if(n == 2)
	{
		ans = max(range.second-range.first, ans);
		return;
	}
	lli sz = (range.second-range.first-1)/(n-2);
	lli prev = range.first;
	pair<lli, lli> cur = {range.first+1, min(range.second-1, range.first+sz)};
	bool emp = 0, prevemp = 0;
	while(cur.first < range.second || !prevemp)
	{
		prevemp = emp;
		pair<lli, lli> res;
		//cout << cur.first << " " << cur.second << "\n";
		MinMax(cur.first, cur.second, &res.first, &res.second);
		if(res.first != -1)
		{
			//cout << "v: " << res.first << " " << prev << " " << res.second << "\n";
			ans = max(ans, res.first-prev);
			prev = res.second;
			emp = 1;
		}
		cur.first = cur.second+1;
		cur.second = min(range.second-1, cur.first+sz-1);
	}
	if(!prevemp) ans = max(ans, range.second-prev);
}

lli findGap(int t, int n)
{
	if(t == 1) sub1(n);
	else sub2(n);
	return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 456 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 1 ms 568 KB Output is correct
7 Correct 2 ms 716 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 2 ms 716 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 3 ms 716 KB Output is correct
12 Correct 3 ms 716 KB Output is correct
13 Correct 3 ms 716 KB Output is correct
14 Correct 3 ms 716 KB Output is correct
15 Correct 2 ms 716 KB Output is correct
16 Correct 18 ms 1020 KB Output is correct
17 Correct 15 ms 1020 KB Output is correct
18 Correct 15 ms 1020 KB Output is correct
19 Correct 21 ms 1020 KB Output is correct
20 Correct 11 ms 1020 KB Output is correct
21 Correct 122 ms 2172 KB Output is correct
22 Correct 61 ms 2172 KB Output is correct
23 Correct 60 ms 2300 KB Output is correct
24 Correct 57 ms 2300 KB Output is correct
25 Correct 49 ms 2300 KB Output is correct
26 Correct 77 ms 2300 KB Output is correct
27 Correct 57 ms 2300 KB Output is correct
28 Correct 58 ms 2300 KB Output is correct
29 Correct 56 ms 2300 KB Output is correct
30 Correct 51 ms 2300 KB Output is correct
31 Correct 2 ms 2300 KB Output is correct
32 Correct 2 ms 2300 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 2300 KB Output is correct
2 Correct 2 ms 2300 KB Output is correct
3 Correct 2 ms 2300 KB Output is correct
4 Correct 2 ms 2300 KB Output is correct
5 Correct 2 ms 2300 KB Output is correct
6 Correct 2 ms 2300 KB Output is correct
7 Correct 2 ms 2300 KB Output is correct
8 Correct 2 ms 2300 KB Output is correct
9 Correct 2 ms 2300 KB Output is correct
10 Correct 2 ms 2300 KB Output is correct
11 Correct 3 ms 2300 KB Output is correct
12 Correct 3 ms 2300 KB Output is correct
13 Correct 4 ms 2300 KB Output is correct
14 Correct 4 ms 2300 KB Output is correct
15 Correct 3 ms 2300 KB Output is correct
16 Correct 25 ms 2300 KB Output is correct
17 Correct 19 ms 2300 KB Output is correct
18 Correct 19 ms 2300 KB Output is correct
19 Correct 22 ms 2300 KB Output is correct
20 Partially correct 15 ms 2300 KB Partially correct
21 Correct 81 ms 2300 KB Output is correct
22 Correct 82 ms 2300 KB Output is correct
23 Correct 78 ms 2300 KB Output is correct
24 Correct 77 ms 2300 KB Output is correct
25 Correct 69 ms 2300 KB Output is correct
26 Correct 78 ms 2300 KB Output is correct
27 Correct 82 ms 2300 KB Output is correct
28 Correct 78 ms 2300 KB Output is correct
29 Correct 76 ms 2300 KB Output is correct
30 Partially correct 47 ms 2300 KB Partially correct
31 Incorrect 2 ms 2300 KB Output isn't correct
32 Correct 2 ms 2300 KB Output is correct