Submission #45280

# Submission time Handle Problem Language Result Execution time Memory
45280 2018-04-12T13:11:10 Z nibnalin Gap (APIO16_gap) C++17
30 / 100
63 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-1);
	lli prev = range.first;
	pair<lli, lli> cur = {range.first+1, min(range.second-1, range.first+sz)};
	bool emp = 0;
	while(cur.first < range.second)
	{
		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;
			if(emp == 1) return;
			emp = 0;
		}
		else emp = 1;
		cur.first = cur.second+1;
		cur.second = min(range.second-1, cur.first+sz-1);
	}
	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 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 448 KB Output is correct
5 Correct 2 ms 500 KB Output is correct
6 Correct 2 ms 508 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 2 ms 748 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 3 ms 748 KB Output is correct
13 Correct 3 ms 748 KB Output is correct
14 Correct 3 ms 748 KB Output is correct
15 Correct 2 ms 748 KB Output is correct
16 Correct 16 ms 1020 KB Output is correct
17 Correct 15 ms 1020 KB Output is correct
18 Correct 16 ms 1020 KB Output is correct
19 Correct 15 ms 1020 KB Output is correct
20 Correct 11 ms 1020 KB Output is correct
21 Correct 56 ms 2172 KB Output is correct
22 Correct 62 ms 2172 KB Output is correct
23 Correct 63 ms 2172 KB Output is correct
24 Correct 59 ms 2172 KB Output is correct
25 Correct 50 ms 2172 KB Output is correct
26 Correct 58 ms 2172 KB Output is correct
27 Correct 59 ms 2300 KB Output is correct
28 Correct 58 ms 2300 KB Output is correct
29 Correct 57 ms 2300 KB Output is correct
30 Correct 42 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 Incorrect 2 ms 2300 KB Output isn't correct
3 Incorrect 2 ms 2300 KB Output isn't correct
4 Incorrect 2 ms 2300 KB Output isn't correct
5 Correct 2 ms 2300 KB Output is correct
6 Incorrect 2 ms 2300 KB Output isn't correct
7 Incorrect 2 ms 2300 KB Output isn't correct
8 Incorrect 2 ms 2300 KB Output isn't correct
9 Incorrect 2 ms 2300 KB Output isn't correct
10 Incorrect 2 ms 2300 KB Output isn't correct
11 Incorrect 2 ms 2300 KB Output isn't correct
12 Incorrect 2 ms 2300 KB Output isn't correct
13 Incorrect 2 ms 2300 KB Output isn't correct
14 Incorrect 2 ms 2300 KB Output isn't correct
15 Correct 2 ms 2300 KB Output is correct
16 Incorrect 9 ms 2300 KB Output isn't correct
17 Incorrect 9 ms 2300 KB Output isn't correct
18 Incorrect 9 ms 2300 KB Output isn't correct
19 Incorrect 11 ms 2300 KB Output isn't correct
20 Incorrect 8 ms 2300 KB Output isn't correct
21 Incorrect 32 ms 2300 KB Output isn't correct
22 Incorrect 32 ms 2300 KB Output isn't correct
23 Incorrect 33 ms 2300 KB Output isn't correct
24 Incorrect 33 ms 2300 KB Output isn't correct
25 Correct 23 ms 2300 KB Output is correct
26 Incorrect 31 ms 2300 KB Output isn't correct
27 Incorrect 31 ms 2300 KB Output isn't correct
28 Incorrect 30 ms 2300 KB Output isn't correct
29 Incorrect 32 ms 2300 KB Output isn't correct
30 Incorrect 29 ms 2300 KB Output isn't correct
31 Incorrect 2 ms 2300 KB Output isn't correct
32 Correct 2 ms 2300 KB Output is correct