Submission #81227

# Submission time Handle Problem Language Result Execution time Memory
81227 2018-10-24T07:27:19 Z AngelKnows Gap (APIO16_gap) C++14
40.85 / 100
641 ms 2300 KB
#include "gap.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
ll mn,mx;
ll l,r,mid;
ll a[100005];
int h,t;
ll ans;
unsigned long long now,pre;
unsigned long long len;
long long findGap(int T, int N)
{
	if (T==1) {
		h=0,t=N+1;
		l=0,r=1e18+1;
		for (;;) {
			MinMax(l,r,&mn,&mx);
			a[++h]=mn,a[--t]=mx;
			l=mn+1,r=mx-1;
			if (h>=t-1) break;
		}
		for (int i=1;i<=N-1;i++) {
			ll t=a[i+1]-a[i];
			if (t>ans) ans=t;
		}
	} else {
		MinMax(0,1e18+1,&mn,&mx);
		now=mn;
		len=1;
		pre=mn;
		ll top=mx;
		while (now+1<=top) {
			MinMax(now+1,now+len,&mn,&mx);
			if (mn==-1) {
				now+=len;
				len*=2;
			} else {
				ans=max(ans,mn-(ll)pre);
				now+=len;
				pre=mx;
				len=1;
			}
		}
	}
	return ans;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:34:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while (now+1<=top) {
          ~~~~~^~~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 508 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 3 ms 608 KB Output is correct
12 Correct 3 ms 612 KB Output is correct
13 Correct 3 ms 612 KB Output is correct
14 Correct 3 ms 736 KB Output is correct
15 Correct 2 ms 736 KB Output is correct
16 Correct 23 ms 1128 KB Output is correct
17 Correct 23 ms 1128 KB Output is correct
18 Correct 15 ms 1128 KB Output is correct
19 Correct 14 ms 1128 KB Output is correct
20 Correct 16 ms 1128 KB Output is correct
21 Correct 53 ms 2172 KB Output is correct
22 Correct 54 ms 2172 KB Output is correct
23 Correct 60 ms 2300 KB Output is correct
24 Correct 54 ms 2300 KB Output is correct
25 Correct 49 ms 2300 KB Output is correct
26 Correct 53 ms 2300 KB Output is correct
27 Correct 86 ms 2300 KB Output is correct
28 Correct 63 ms 2300 KB Output is correct
29 Correct 55 ms 2300 KB Output is correct
30 Correct 44 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 Partially correct 2 ms 2300 KB Partially correct
2 Partially correct 2 ms 2300 KB Partially correct
3 Partially correct 2 ms 2300 KB Partially correct
4 Partially correct 2 ms 2300 KB Partially correct
5 Partially correct 2 ms 2300 KB Partially correct
6 Partially correct 2 ms 2300 KB Partially correct
7 Partially correct 2 ms 2300 KB Partially correct
8 Partially correct 2 ms 2300 KB Partially correct
9 Partially correct 2 ms 2300 KB Partially correct
10 Correct 2 ms 2300 KB Output is correct
11 Partially correct 9 ms 2300 KB Partially correct
12 Partially correct 8 ms 2300 KB Partially correct
13 Partially correct 8 ms 2300 KB Partially correct
14 Partially correct 8 ms 2300 KB Partially correct
15 Partially correct 10 ms 2300 KB Partially correct
16 Partially correct 144 ms 2300 KB Partially correct
17 Partially correct 142 ms 2300 KB Partially correct
18 Partially correct 145 ms 2300 KB Partially correct
19 Partially correct 137 ms 2300 KB Partially correct
20 Correct 8 ms 2300 KB Output is correct
21 Partially correct 609 ms 2300 KB Partially correct
22 Partially correct 641 ms 2300 KB Partially correct
23 Partially correct 607 ms 2300 KB Partially correct
24 Partially correct 609 ms 2300 KB Partially correct
25 Partially correct 444 ms 2300 KB Partially correct
26 Partially correct 626 ms 2300 KB Partially correct
27 Partially correct 614 ms 2300 KB Partially correct
28 Partially correct 627 ms 2300 KB Partially correct
29 Partially correct 628 ms 2300 KB Partially correct
30 Correct 31 ms 2300 KB Output is correct
31 Partially correct 2 ms 2300 KB Partially correct
32 Partially correct 3 ms 2300 KB Partially correct