Submission #81219

# Submission time Handle Problem Language Result Execution time Memory
81219 2018-10-24T06:56:53 Z AngelKnows Gap (APIO16_gap) C++14
37.0918 / 100
574 ms 2232 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 {
		now=-1;
		len=1;
		pre=-1;
		ll top=1e18;
		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 if (pre==-1) {
				now=mn;
				pre=mn;
				len=1;
			} 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:33:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while (now+1<=top) {
          ~~~~~^~~~~
gap.cpp:35:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (now+len<t) t=now+len; 
        ~~~~~~~^~
gap.cpp:40:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    } else if (pre==-1) {
               ~~~^~~~
# 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 508 KB Output is correct
5 Correct 2 ms 508 KB Output is correct
6 Correct 2 ms 508 KB Output is correct
7 Correct 2 ms 680 KB Output is correct
8 Correct 2 ms 680 KB Output is correct
9 Correct 2 ms 680 KB Output is correct
10 Correct 2 ms 680 KB Output is correct
11 Correct 3 ms 680 KB Output is correct
12 Correct 3 ms 680 KB Output is correct
13 Correct 3 ms 708 KB Output is correct
14 Correct 3 ms 720 KB Output is correct
15 Correct 2 ms 720 KB Output is correct
16 Correct 15 ms 992 KB Output is correct
17 Correct 16 ms 992 KB Output is correct
18 Correct 15 ms 992 KB Output is correct
19 Correct 16 ms 992 KB Output is correct
20 Correct 11 ms 992 KB Output is correct
21 Correct 60 ms 2144 KB Output is correct
22 Correct 56 ms 2148 KB Output is correct
23 Correct 78 ms 2148 KB Output is correct
24 Correct 56 ms 2148 KB Output is correct
25 Correct 48 ms 2148 KB Output is correct
26 Correct 56 ms 2148 KB Output is correct
27 Correct 59 ms 2148 KB Output is correct
28 Correct 56 ms 2148 KB Output is correct
29 Correct 55 ms 2232 KB Output is correct
30 Correct 43 ms 2232 KB Output is correct
31 Correct 2 ms 2232 KB Output is correct
32 Correct 3 ms 2232 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 2 ms 2232 KB Partially correct
2 Partially correct 2 ms 2232 KB Partially correct
3 Partially correct 2 ms 2232 KB Partially correct
4 Partially correct 2 ms 2232 KB Partially correct
5 Partially correct 2 ms 2232 KB Partially correct
6 Partially correct 2 ms 2232 KB Partially correct
7 Partially correct 2 ms 2232 KB Partially correct
8 Partially correct 2 ms 2232 KB Partially correct
9 Partially correct 2 ms 2232 KB Partially correct
10 Correct 2 ms 2232 KB Output is correct
11 Partially correct 8 ms 2232 KB Partially correct
12 Partially correct 8 ms 2232 KB Partially correct
13 Partially correct 8 ms 2232 KB Partially correct
14 Partially correct 9 ms 2232 KB Partially correct
15 Partially correct 6 ms 2232 KB Partially correct
16 Partially correct 128 ms 2232 KB Partially correct
17 Partially correct 127 ms 2232 KB Partially correct
18 Partially correct 132 ms 2232 KB Partially correct
19 Partially correct 140 ms 2232 KB Partially correct
20 Correct 9 ms 2232 KB Output is correct
21 Partially correct 574 ms 2232 KB Partially correct
22 Partially correct 567 ms 2232 KB Partially correct
23 Partially correct 564 ms 2232 KB Partially correct
24 Partially correct 569 ms 2232 KB Partially correct
25 Partially correct 447 ms 2232 KB Partially correct
26 Partially correct 567 ms 2232 KB Partially correct
27 Partially correct 552 ms 2232 KB Partially correct
28 Partially correct 571 ms 2232 KB Partially correct
29 Partially correct 567 ms 2232 KB Partially correct
30 Correct 31 ms 2232 KB Output is correct
31 Partially correct 2 ms 2232 KB Partially correct
32 Partially correct 2 ms 2232 KB Partially correct