Submission #81216

# Submission time Handle Problem Language Result Execution time Memory
81216 2018-10-24T06:50:02 Z AngelKnows Gap (APIO16_gap) C++14
40.6416 / 100
637 ms 2176 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=now;
		ll top=mx;
		while (now+1<=top) {
			ll t=top;
			if (now+len<t) t=now+len; 
			MinMax(now+1,t,&mn,&mx);
			if (mn==-1) {
				now+=len;
				len*=2;
			} else {
				ans=max(ans,mn-(ll)pre);
				now=mx;
				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) {
          ~~~~~^~~~~
gap.cpp:36:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (now+len<t) t=now+len; 
        ~~~~~~~^~
# 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 524 KB Output is correct
4 Correct 3 ms 524 KB Output is correct
5 Correct 2 ms 524 KB Output is correct
6 Correct 2 ms 736 KB Output is correct
7 Correct 2 ms 736 KB Output is correct
8 Correct 2 ms 736 KB Output is correct
9 Correct 2 ms 736 KB Output is correct
10 Correct 2 ms 736 KB Output is correct
11 Correct 3 ms 736 KB Output is correct
12 Correct 3 ms 736 KB Output is correct
13 Correct 3 ms 736 KB Output is correct
14 Correct 3 ms 736 KB Output is correct
15 Correct 3 ms 736 KB Output is correct
16 Correct 16 ms 952 KB Output is correct
17 Correct 15 ms 956 KB Output is correct
18 Correct 22 ms 956 KB Output is correct
19 Correct 16 ms 956 KB Output is correct
20 Correct 14 ms 956 KB Output is correct
21 Correct 57 ms 2144 KB Output is correct
22 Correct 58 ms 2144 KB Output is correct
23 Correct 58 ms 2156 KB Output is correct
24 Correct 59 ms 2156 KB Output is correct
25 Correct 51 ms 2156 KB Output is correct
26 Correct 58 ms 2156 KB Output is correct
27 Correct 58 ms 2156 KB Output is correct
28 Correct 57 ms 2156 KB Output is correct
29 Correct 59 ms 2176 KB Output is correct
30 Correct 42 ms 2176 KB Output is correct
31 Correct 3 ms 2176 KB Output is correct
32 Correct 3 ms 2176 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 2 ms 2176 KB Partially correct
2 Partially correct 2 ms 2176 KB Partially correct
3 Partially correct 2 ms 2176 KB Partially correct
4 Partially correct 2 ms 2176 KB Partially correct
5 Partially correct 2 ms 2176 KB Partially correct
6 Partially correct 2 ms 2176 KB Partially correct
7 Partially correct 3 ms 2176 KB Partially correct
8 Partially correct 2 ms 2176 KB Partially correct
9 Partially correct 2 ms 2176 KB Partially correct
10 Correct 2 ms 2176 KB Output is correct
11 Partially correct 8 ms 2176 KB Partially correct
12 Partially correct 9 ms 2176 KB Partially correct
13 Partially correct 8 ms 2176 KB Partially correct
14 Partially correct 9 ms 2176 KB Partially correct
15 Partially correct 9 ms 2176 KB Partially correct
16 Partially correct 143 ms 2176 KB Partially correct
17 Partially correct 136 ms 2176 KB Partially correct
18 Partially correct 136 ms 2176 KB Partially correct
19 Partially correct 134 ms 2176 KB Partially correct
20 Correct 9 ms 2176 KB Output is correct
21 Partially correct 615 ms 2176 KB Partially correct
22 Partially correct 584 ms 2176 KB Partially correct
23 Partially correct 596 ms 2176 KB Partially correct
24 Partially correct 617 ms 2176 KB Partially correct
25 Partially correct 495 ms 2176 KB Partially correct
26 Partially correct 637 ms 2176 KB Partially correct
27 Partially correct 611 ms 2176 KB Partially correct
28 Partially correct 582 ms 2176 KB Partially correct
29 Partially correct 606 ms 2176 KB Partially correct
30 Correct 32 ms 2176 KB Output is correct
31 Partially correct 2 ms 2176 KB Partially correct
32 Partially correct 2 ms 2176 KB Partially correct