Submission #45276

# Submission time Handle Problem Language Result Execution time Memory
45276 2018-04-12T12:50:36 Z nibnalin Gap (APIO16_gap) C++17
89.0376 / 100
110 ms 2284 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)};
	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;
		}
		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 492 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 2 ms 644 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 2 ms 644 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 3 ms 656 KB Output is correct
13 Correct 3 ms 656 KB Output is correct
14 Correct 3 ms 716 KB Output is correct
15 Correct 11 ms 716 KB Output is correct
16 Correct 15 ms 980 KB Output is correct
17 Correct 15 ms 996 KB Output is correct
18 Correct 18 ms 996 KB Output is correct
19 Correct 15 ms 996 KB Output is correct
20 Correct 11 ms 996 KB Output is correct
21 Correct 57 ms 2148 KB Output is correct
22 Correct 56 ms 2148 KB Output is correct
23 Correct 60 ms 2148 KB Output is correct
24 Correct 110 ms 2148 KB Output is correct
25 Correct 59 ms 2152 KB Output is correct
26 Correct 59 ms 2284 KB Output is correct
27 Correct 83 ms 2284 KB Output is correct
28 Correct 57 ms 2284 KB Output is correct
29 Correct 86 ms 2284 KB Output is correct
30 Correct 41 ms 2284 KB Output is correct
31 Correct 2 ms 2284 KB Output is correct
32 Correct 2 ms 2284 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 2284 KB Output is correct
2 Correct 2 ms 2284 KB Output is correct
3 Correct 2 ms 2284 KB Output is correct
4 Correct 2 ms 2284 KB Output is correct
5 Correct 2 ms 2284 KB Output is correct
6 Correct 2 ms 2284 KB Output is correct
7 Correct 3 ms 2284 KB Output is correct
8 Correct 2 ms 2284 KB Output is correct
9 Correct 2 ms 2284 KB Output is correct
10 Correct 2 ms 2284 KB Output is correct
11 Correct 3 ms 2284 KB Output is correct
12 Correct 3 ms 2284 KB Output is correct
13 Correct 3 ms 2284 KB Output is correct
14 Correct 3 ms 2284 KB Output is correct
15 Correct 4 ms 2284 KB Output is correct
16 Correct 19 ms 2284 KB Output is correct
17 Correct 19 ms 2284 KB Output is correct
18 Correct 25 ms 2284 KB Output is correct
19 Correct 21 ms 2284 KB Output is correct
20 Partially correct 11 ms 2284 KB Partially correct
21 Correct 79 ms 2284 KB Output is correct
22 Correct 75 ms 2284 KB Output is correct
23 Correct 72 ms 2284 KB Output is correct
24 Correct 72 ms 2284 KB Output is correct
25 Correct 77 ms 2284 KB Output is correct
26 Correct 75 ms 2284 KB Output is correct
27 Correct 74 ms 2284 KB Output is correct
28 Correct 87 ms 2284 KB Output is correct
29 Correct 73 ms 2284 KB Output is correct
30 Partially correct 45 ms 2284 KB Partially correct
31 Correct 2 ms 2284 KB Output is correct
32 Correct 2 ms 2284 KB Output is correct