Submission #81221

# Submission time Handle Problem Language Result Execution time Memory
81221 2018-10-24T07:04:18 Z AngelKnows Gap (APIO16_gap) C++14
30 / 100
66 ms 2132 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;
		ll d=1;
		while (now+1<=top) {
			ll t=top;
			if (now+len<t) t=now+len; 
			MinMax(now+d,t,&mn,&mx);
			if (mn==-1) {
				now+=len;
				d=1;
				len*=2;
			} else {
				ans=max(ans,mn-(ll)pre);
				d=now+len-mx+1;
				now=mx;
				pre=mx;
			}
		}
	}
	return ans;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:35:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while (now+1<=top) {
          ~~~~~^~~~~
gap.cpp:37:15: 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 256 KB Output is correct
2 Correct 2 ms 372 KB Output is correct
3 Correct 2 ms 520 KB Output is correct
4 Correct 2 ms 520 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 2 ms 520 KB Output is correct
7 Correct 2 ms 520 KB Output is correct
8 Correct 2 ms 520 KB Output is correct
9 Correct 2 ms 520 KB Output is correct
10 Correct 2 ms 520 KB Output is correct
11 Correct 3 ms 520 KB Output is correct
12 Correct 2 ms 520 KB Output is correct
13 Correct 3 ms 520 KB Output is correct
14 Correct 3 ms 520 KB Output is correct
15 Correct 2 ms 520 KB Output is correct
16 Correct 14 ms 936 KB Output is correct
17 Correct 14 ms 936 KB Output is correct
18 Correct 15 ms 936 KB Output is correct
19 Correct 15 ms 936 KB Output is correct
20 Correct 16 ms 948 KB Output is correct
21 Correct 53 ms 2100 KB Output is correct
22 Correct 55 ms 2100 KB Output is correct
23 Correct 55 ms 2116 KB Output is correct
24 Correct 54 ms 2128 KB Output is correct
25 Correct 45 ms 2132 KB Output is correct
26 Correct 55 ms 2132 KB Output is correct
27 Correct 56 ms 2132 KB Output is correct
28 Correct 55 ms 2132 KB Output is correct
29 Correct 54 ms 2132 KB Output is correct
30 Correct 41 ms 2132 KB Output is correct
31 Correct 2 ms 2132 KB Output is correct
32 Correct 2 ms 2132 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 2 ms 2132 KB Partially correct
2 Partially correct 2 ms 2132 KB Partially correct
3 Partially correct 2 ms 2132 KB Partially correct
4 Partially correct 2 ms 2132 KB Partially correct
5 Partially correct 2 ms 2132 KB Partially correct
6 Correct 2 ms 2132 KB Output is correct
7 Correct 2 ms 2132 KB Output is correct
8 Correct 2 ms 2132 KB Output is correct
9 Correct 2 ms 2132 KB Output is correct
10 Correct 2 ms 2132 KB Output is correct
11 Correct 3 ms 2132 KB Output is correct
12 Correct 3 ms 2132 KB Output is correct
13 Correct 3 ms 2132 KB Output is correct
14 Incorrect 2 ms 2132 KB Output isn't correct
15 Partially correct 3 ms 2132 KB Partially correct
16 Incorrect 10 ms 2132 KB Output isn't correct
17 Correct 10 ms 2132 KB Output is correct
18 Correct 11 ms 2132 KB Output is correct
19 Correct 10 ms 2132 KB Output is correct
20 Correct 9 ms 2132 KB Output is correct
21 Correct 34 ms 2132 KB Output is correct
22 Correct 34 ms 2132 KB Output is correct
23 Correct 49 ms 2132 KB Output is correct
24 Correct 34 ms 2132 KB Output is correct
25 Partially correct 66 ms 2132 KB Partially correct
26 Correct 35 ms 2132 KB Output is correct
27 Correct 34 ms 2132 KB Output is correct
28 Correct 40 ms 2132 KB Output is correct
29 Correct 39 ms 2132 KB Output is correct
30 Correct 30 ms 2132 KB Output is correct
31 Partially correct 2 ms 2132 KB Partially correct
32 Correct 2 ms 2132 KB Output is correct