Submission #68205

# Submission time Handle Problem Language Result Execution time Memory
68205 2018-08-16T08:17:35 Z gusfring Gap (APIO16_gap) C++14
43.7993 / 100
167 ms 2240 KB
#include <bits/stdc++.h>
#include "gap.h"

using namespace std;

const int MAXN = 1e5 + 5;
typedef long long ll;

long long A[MAXN], res;
 
long long findGap2(int T, int N){
  MinMax(0, 1e18, &A[1], &A[N]);
  for(int i=2, j=N-1; i<=j; ++i, --j) MinMax(A[i - 1] + 1, A[j + 1] - 1, &A[i], &A[j]);
  for(int i=2; i<=N; i++) res = max(res, A[i] - A[i - 1]);
  return res;
}

ll mn, mx;
 
ll solve(ll lo, ll hi){
	if(lo >= hi) return 0;
	unsigned long long x = (1LLU * lo + hi) / 2;
	ll mid = (ll)(x), mn1 = -1, mx1 = -1, mn2 = -1, mx2 = -1;
	if(lo < mid) MinMax(lo, mid, &mn1, &mx1);
	if(mid + 1 < hi) MinMax(mid + 1, hi, &mn2, &mx2);
	ll res = 0, r1 = 0, r2 = 0;
	if(mx1 != -1 && mx2 != -1) res = mn2 - mx1;
	if(mx2 != -1 && mx2 != mn2) r2 = solve(mn2, mx2);
	if(mx1 != -1 && mx1 != mn1) r1 = solve(mn1, mx1);
	return max({res, r1, r2});
}
 
long long findGap(int T, int N){
	if(T == 2){
		MinMax(0, 1e18, &mn, &mx);
		return solve(mn, mx);
	}
	return findGap2(T, N);
}
# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 476 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 476 KB Output is correct
5 Correct 3 ms 636 KB Output is correct
6 Correct 2 ms 636 KB Output is correct
7 Correct 2 ms 636 KB Output is correct
8 Correct 3 ms 704 KB Output is correct
9 Correct 2 ms 704 KB Output is correct
10 Correct 2 ms 704 KB Output is correct
11 Correct 3 ms 704 KB Output is correct
12 Correct 3 ms 704 KB Output is correct
13 Correct 4 ms 704 KB Output is correct
14 Correct 4 ms 704 KB Output is correct
15 Correct 3 ms 704 KB Output is correct
16 Correct 16 ms 1004 KB Output is correct
17 Correct 16 ms 1004 KB Output is correct
18 Correct 17 ms 1116 KB Output is correct
19 Correct 18 ms 1116 KB Output is correct
20 Correct 12 ms 1116 KB Output is correct
21 Correct 56 ms 2236 KB Output is correct
22 Correct 65 ms 2236 KB Output is correct
23 Correct 63 ms 2240 KB Output is correct
24 Correct 147 ms 2240 KB Output is correct
25 Correct 57 ms 2240 KB Output is correct
26 Correct 60 ms 2240 KB Output is correct
27 Correct 62 ms 2240 KB Output is correct
28 Correct 64 ms 2240 KB Output is correct
29 Correct 63 ms 2240 KB Output is correct
30 Correct 42 ms 2240 KB Output is correct
31 Correct 3 ms 2240 KB Output is correct
32 Correct 3 ms 2240 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 2 ms 2240 KB Partially correct
2 Partially correct 2 ms 2240 KB Partially correct
3 Partially correct 3 ms 2240 KB Partially correct
4 Partially correct 2 ms 2240 KB Partially correct
5 Partially correct 2 ms 2240 KB Partially correct
6 Partially correct 2 ms 2240 KB Partially correct
7 Partially correct 2 ms 2240 KB Partially correct
8 Partially correct 2 ms 2240 KB Partially correct
9 Partially correct 2 ms 2240 KB Partially correct
10 Partially correct 3 ms 2240 KB Partially correct
11 Partially correct 4 ms 2240 KB Partially correct
12 Partially correct 5 ms 2240 KB Partially correct
13 Partially correct 4 ms 2240 KB Partially correct
14 Partially correct 4 ms 2240 KB Partially correct
15 Partially correct 3 ms 2240 KB Partially correct
16 Partially correct 42 ms 2240 KB Partially correct
17 Partially correct 43 ms 2240 KB Partially correct
18 Partially correct 35 ms 2240 KB Partially correct
19 Partially correct 34 ms 2240 KB Partially correct
20 Partially correct 19 ms 2240 KB Partially correct
21 Partially correct 143 ms 2240 KB Partially correct
22 Partially correct 135 ms 2240 KB Partially correct
23 Partially correct 128 ms 2240 KB Partially correct
24 Partially correct 167 ms 2240 KB Partially correct
25 Partially correct 133 ms 2240 KB Partially correct
26 Partially correct 140 ms 2240 KB Partially correct
27 Partially correct 156 ms 2240 KB Partially correct
28 Partially correct 135 ms 2240 KB Partially correct
29 Partially correct 143 ms 2240 KB Partially correct
30 Partially correct 79 ms 2240 KB Partially correct
31 Partially correct 2 ms 2240 KB Partially correct
32 Partially correct 2 ms 2240 KB Partially correct