Submission #1015254

# Submission time Handle Problem Language Result Execution time Memory
1015254 2024-07-06T08:02:32 Z vjudge1 Gap (APIO16_gap) C++17
42.6461 / 100
35 ms 1880 KB
#include "gap.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long

long long findGap(signed t,signed n)
{
	if (t==2)
	{
		ll mn1,mx1;
		MinMax(0,(ll)1e18,&mn1,&mx1);
		ll st,mn,mx,ans=0;
		for (int i=0;i<=60;i++)
		{
			MinMax(mn1+1,mn1+(1LL<<i),&mn,&mx);
			if (mn!=-1)
			{
				ans=mn-mn1;
				st=mx;
				break;
			}
		}
		while (st<mx1)
		{
			MinMax(st+1,st+ans,&mn,&mx);
			if (mn!=-1)
				st=mx;
			else
			{
				if (n>=60)
				{
					ll val=ans*2;
					while (1)
					{
						MinMax(st+1,st+val,&mn,&mx);
						if (mn!=-1)
						{
							ans=mn-st;
							st=mx;
							break;
						}
						val*=2;
					}
				}
				else
				{
					MinMax(st+1,mx1,&mn,&mx);
					ans=mn-st;
					st=mn;
				}
			}
		}
		return ans;
	}
	else
	{
		long long a[n],i=0,j=n-1,lim1=0,lim2=1e18;
		long long mn,mx;
		while (i<=j)
		{
			MinMax(lim1,lim2,&mn,&mx);
			a[i++]=mn;
			a[j--]=mx;
			lim1=mn+1;
			lim2=mx-1;
		}
		long long ans=0;
		for (int i=0;i<n-1;i++)
			ans=max(ans,a[i+1]-a[i]);
		
		return ans;
	}
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:40:11: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized]
   40 |        ans=mn-st;
      |        ~~~^~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 392 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 7 ms 756 KB Output is correct
17 Correct 6 ms 600 KB Output is correct
18 Correct 6 ms 600 KB Output is correct
19 Correct 6 ms 600 KB Output is correct
20 Correct 5 ms 600 KB Output is correct
21 Correct 25 ms 1880 KB Output is correct
22 Correct 31 ms 1880 KB Output is correct
23 Correct 25 ms 1880 KB Output is correct
24 Correct 25 ms 1880 KB Output is correct
25 Correct 23 ms 1880 KB Output is correct
26 Correct 25 ms 1880 KB Output is correct
27 Correct 27 ms 1880 KB Output is correct
28 Correct 35 ms 1880 KB Output is correct
29 Correct 32 ms 1880 KB Output is correct
30 Correct 21 ms 1880 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB Partially correct
2 Partially correct 0 ms 344 KB Partially correct
3 Partially correct 1 ms 344 KB Partially correct
4 Partially correct 1 ms 344 KB Partially correct
5 Partially correct 0 ms 344 KB Partially correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Partially correct 1 ms 344 KB Partially correct
16 Correct 7 ms 600 KB Output is correct
17 Correct 6 ms 600 KB Output is correct
18 Correct 4 ms 600 KB Output is correct
19 Correct 7 ms 600 KB Output is correct
20 Correct 5 ms 600 KB Output is correct
21 Correct 25 ms 1096 KB Output is correct
22 Correct 16 ms 1064 KB Output is correct
23 Correct 19 ms 1112 KB Output is correct
24 Correct 16 ms 1112 KB Output is correct
25 Partially correct 32 ms 1112 KB Partially correct
26 Correct 26 ms 1156 KB Output is correct
27 Correct 17 ms 1112 KB Output is correct
28 Correct 17 ms 1204 KB Output is correct
29 Correct 18 ms 1112 KB Output is correct
30 Correct 15 ms 1112 KB Output is correct
31 Partially correct 0 ms 344 KB Partially correct
32 Correct 0 ms 344 KB Output is correct