Submission #45278

# Submission time Handle Problem Language Result Execution time Memory
45278 2018-04-12T12:56:44 Z nibnalin Gap (APIO16_gap) C++17
30 / 100
101 ms 2148 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;
		}
		else 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 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 600 KB Output is correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 2 ms 600 KB Output is correct
6 Correct 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 2 ms 660 KB Output is correct
9 Correct 2 ms 660 KB Output is correct
10 Correct 2 ms 660 KB Output is correct
11 Correct 3 ms 660 KB Output is correct
12 Correct 3 ms 660 KB Output is correct
13 Correct 2 ms 660 KB Output is correct
14 Correct 3 ms 660 KB Output is correct
15 Correct 3 ms 660 KB Output is correct
16 Correct 16 ms 996 KB Output is correct
17 Correct 15 ms 1000 KB Output is correct
18 Correct 16 ms 1000 KB Output is correct
19 Correct 16 ms 1000 KB Output is correct
20 Correct 11 ms 1000 KB Output is correct
21 Correct 59 ms 2148 KB Output is correct
22 Correct 61 ms 2148 KB Output is correct
23 Correct 59 ms 2148 KB Output is correct
24 Correct 74 ms 2148 KB Output is correct
25 Correct 49 ms 2148 KB Output is correct
26 Correct 57 ms 2148 KB Output is correct
27 Correct 76 ms 2148 KB Output is correct
28 Correct 73 ms 2148 KB Output is correct
29 Correct 72 ms 2148 KB Output is correct
30 Correct 44 ms 2148 KB Output is correct
31 Correct 2 ms 2148 KB Output is correct
32 Correct 2 ms 2148 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 2148 KB Output is correct
2 Correct 2 ms 2148 KB Output is correct
3 Correct 5 ms 2148 KB Output is correct
4 Correct 2 ms 2148 KB Output is correct
5 Runtime error 2 ms 2148 KB Execution failed because the return code was nonzero
6 Correct 2 ms 2148 KB Output is correct
7 Correct 2 ms 2148 KB Output is correct
8 Correct 2 ms 2148 KB Output is correct
9 Correct 2 ms 2148 KB Output is correct
10 Correct 2 ms 2148 KB Output is correct
11 Correct 3 ms 2148 KB Output is correct
12 Correct 3 ms 2148 KB Output is correct
13 Correct 3 ms 2148 KB Output is correct
14 Correct 3 ms 2148 KB Output is correct
15 Runtime error 3 ms 2148 KB Execution failed because the return code was nonzero
16 Correct 19 ms 2148 KB Output is correct
17 Correct 20 ms 2148 KB Output is correct
18 Correct 20 ms 2148 KB Output is correct
19 Correct 20 ms 2148 KB Output is correct
20 Partially correct 10 ms 2148 KB Partially correct
21 Correct 97 ms 2148 KB Output is correct
22 Correct 75 ms 2148 KB Output is correct
23 Correct 75 ms 2148 KB Output is correct
24 Correct 101 ms 2148 KB Output is correct
25 Runtime error 70 ms 2148 KB Execution failed because the return code was nonzero
26 Correct 77 ms 2148 KB Output is correct
27 Correct 78 ms 2148 KB Output is correct
28 Correct 76 ms 2148 KB Output is correct
29 Correct 97 ms 2148 KB Output is correct
30 Partially correct 43 ms 2148 KB Partially correct
31 Incorrect 2 ms 2148 KB Output isn't correct
32 Correct 2 ms 2148 KB Output is correct