Submission #81217

# Submission time Handle Problem Language Result Execution time Memory
81217 2018-10-24T06:52:21 Z AngelKnows Gap (APIO16_gap) C++14
30 / 100
85 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 {
		now=-1;
		len=1;
		pre=-1;
		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 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 3 ms 256 KB Output is correct
2 Correct 2 ms 372 KB Output is correct
3 Correct 2 ms 408 KB Output is correct
4 Correct 2 ms 612 KB Output is correct
5 Correct 2 ms 612 KB Output is correct
6 Correct 2 ms 612 KB Output is correct
7 Correct 2 ms 612 KB Output is correct
8 Correct 2 ms 612 KB Output is correct
9 Correct 2 ms 612 KB Output is correct
10 Correct 2 ms 636 KB Output is correct
11 Correct 3 ms 636 KB Output is correct
12 Correct 3 ms 636 KB Output is correct
13 Correct 3 ms 760 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 760 KB Output is correct
16 Correct 15 ms 988 KB Output is correct
17 Correct 15 ms 1020 KB Output is correct
18 Correct 16 ms 1020 KB Output is correct
19 Correct 18 ms 1020 KB Output is correct
20 Correct 11 ms 1020 KB Output is correct
21 Correct 58 ms 2172 KB Output is correct
22 Correct 57 ms 2172 KB Output is correct
23 Correct 85 ms 2172 KB Output is correct
24 Correct 59 ms 2268 KB Output is correct
25 Correct 47 ms 2268 KB Output is correct
26 Correct 59 ms 2300 KB Output is correct
27 Correct 57 ms 2300 KB Output is correct
28 Correct 57 ms 2300 KB Output is correct
29 Correct 62 ms 2300 KB Output is correct
30 Correct 43 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 Incorrect 2 ms 2300 KB Output isn't correct
2 Incorrect 2 ms 2300 KB Output isn't correct
3 Incorrect 2 ms 2300 KB Output isn't correct
4 Incorrect 2 ms 2300 KB Output isn't correct
5 Incorrect 2 ms 2300 KB Output isn't correct
6 Incorrect 2 ms 2300 KB Output isn't correct
7 Incorrect 2 ms 2300 KB Output isn't correct
8 Incorrect 2 ms 2300 KB Output isn't correct
9 Incorrect 2 ms 2300 KB Output isn't correct
10 Incorrect 2 ms 2300 KB Output isn't correct
11 Incorrect 2 ms 2300 KB Output isn't correct
12 Incorrect 3 ms 2300 KB Output isn't correct
13 Incorrect 2 ms 2300 KB Output isn't correct
14 Incorrect 2 ms 2300 KB Output isn't correct
15 Incorrect 2 ms 2300 KB Output isn't correct
16 Incorrect 9 ms 2300 KB Output isn't correct
17 Incorrect 9 ms 2300 KB Output isn't correct
18 Incorrect 13 ms 2300 KB Output isn't correct
19 Incorrect 9 ms 2300 KB Output isn't correct
20 Incorrect 5 ms 2300 KB Output isn't correct
21 Incorrect 29 ms 2300 KB Output isn't correct
22 Incorrect 32 ms 2300 KB Output isn't correct
23 Incorrect 33 ms 2300 KB Output isn't correct
24 Incorrect 29 ms 2300 KB Output isn't correct
25 Incorrect 23 ms 2300 KB Output isn't correct
26 Incorrect 29 ms 2300 KB Output isn't correct
27 Incorrect 31 ms 2300 KB Output isn't correct
28 Incorrect 31 ms 2300 KB Output isn't correct
29 Incorrect 30 ms 2300 KB Output isn't correct
30 Incorrect 15 ms 2300 KB Output isn't correct
31 Incorrect 2 ms 2300 KB Output isn't correct
32 Incorrect 2 ms 2300 KB Output isn't correct