Submission #45279

# Submission time Handle Problem Language Result Execution time Memory
45279 2018-04-12T13:08:07 Z nibnalin Gap (APIO16_gap) C++17
30 / 100
93 ms 2244 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+1)};
	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 376 KB Output is correct
2 Correct 2 ms 464 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 616 KB Output is correct
9 Correct 2 ms 616 KB Output is correct
10 Correct 2 ms 712 KB Output is correct
11 Correct 3 ms 712 KB Output is correct
12 Correct 2 ms 712 KB Output is correct
13 Correct 3 ms 712 KB Output is correct
14 Correct 3 ms 712 KB Output is correct
15 Correct 2 ms 716 KB Output is correct
16 Correct 15 ms 980 KB Output is correct
17 Correct 15 ms 1084 KB Output is correct
18 Correct 21 ms 1084 KB Output is correct
19 Correct 16 ms 1084 KB Output is correct
20 Correct 12 ms 1084 KB Output is correct
21 Correct 55 ms 2156 KB Output is correct
22 Correct 66 ms 2156 KB Output is correct
23 Correct 56 ms 2156 KB Output is correct
24 Correct 57 ms 2156 KB Output is correct
25 Correct 50 ms 2156 KB Output is correct
26 Correct 93 ms 2156 KB Output is correct
27 Correct 67 ms 2244 KB Output is correct
28 Correct 83 ms 2244 KB Output is correct
29 Correct 81 ms 2244 KB Output is correct
30 Correct 61 ms 2244 KB Output is correct
31 Correct 2 ms 2244 KB Output is correct
32 Correct 3 ms 2244 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 2244 KB Output is correct
2 Incorrect 2 ms 2244 KB Output isn't correct
3 Incorrect 2 ms 2244 KB Output isn't correct
4 Incorrect 2 ms 2244 KB Output isn't correct
5 Correct 2 ms 2244 KB Output is correct
6 Incorrect 2 ms 2244 KB Output isn't correct
7 Incorrect 2 ms 2244 KB Output isn't correct
8 Incorrect 2 ms 2244 KB Output isn't correct
9 Incorrect 2 ms 2244 KB Output isn't correct
10 Incorrect 2 ms 2244 KB Output isn't correct
11 Incorrect 3 ms 2244 KB Output isn't correct
12 Incorrect 3 ms 2244 KB Output isn't correct
13 Incorrect 2 ms 2244 KB Output isn't correct
14 Incorrect 2 ms 2244 KB Output isn't correct
15 Correct 3 ms 2244 KB Output is correct
16 Incorrect 10 ms 2244 KB Output isn't correct
17 Incorrect 9 ms 2244 KB Output isn't correct
18 Incorrect 12 ms 2244 KB Output isn't correct
19 Incorrect 9 ms 2244 KB Output isn't correct
20 Incorrect 8 ms 2244 KB Output isn't correct
21 Incorrect 53 ms 2244 KB Output isn't correct
22 Incorrect 32 ms 2244 KB Output isn't correct
23 Incorrect 42 ms 2244 KB Output isn't correct
24 Incorrect 34 ms 2244 KB Output isn't correct
25 Correct 70 ms 2244 KB Output is correct
26 Incorrect 33 ms 2244 KB Output isn't correct
27 Incorrect 41 ms 2244 KB Output isn't correct
28 Incorrect 36 ms 2244 KB Output isn't correct
29 Incorrect 51 ms 2244 KB Output isn't correct
30 Incorrect 29 ms 2244 KB Output isn't correct
31 Incorrect 2 ms 2244 KB Output isn't correct
32 Correct 2 ms 2244 KB Output is correct