Submission #1015277

# Submission time Handle Problem Language Result Execution time Memory
1015277 2024-07-06T08:15:48 Z vjudge1 Gap (APIO16_gap) C++17
0 / 100
32 ms 1200 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 && n>60)
	{
		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
			{
				ll val=ans*2;
				while (1)
				{
					MinMax(st+1,st+val,&mn,&mx);
					if (mn!=-1)
					{
						ans=mn-st;
						st=mx;
						break;
					}
					val*=2;
				}
			}
		}
		return ans;
	}
	else
	{
		long long lim1=0,lim2=1e18;
		long long mn,mx,mn1,mx1;
		MinMax(lim1,lim2,&mn1,&mx1);
		if (n==2)
			return mx1-mn1;
		MinMax(mn1+1,mx1-1,&mn,&mx);
		ll ans = max(mn-mn1,mx1-mx);
		while (mn+ans*2<mx)
		{
			MinMax(mn+ans,mx-ans,&mn1,&mx1);
			ans=max(ans,max(mn1-mn,mx-mx1));
			mn=mn1,mx=mx1;
		}
		if (mn!=mx)
		{
			MinMax(mn+1,mx-1,&mn1,&mx1);
			if (mn1!=-1)
				ans=max(ans,max(mn1-mn,mx-mx1));
			else
				ans=max(ans,mx-mn);
		}
		
		return ans;
	}
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:38:10: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized]
   38 |       ans=mn-st;
      |       ~~~^~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Incorrect 0 ms 344 KB Output isn't correct
4 Incorrect 0 ms 344 KB Output isn't correct
5 Correct 0 ms 344 KB Output is correct
6 Incorrect 0 ms 344 KB Output isn't correct
7 Incorrect 0 ms 344 KB Output isn't correct
8 Incorrect 0 ms 344 KB Output isn't correct
9 Incorrect 0 ms 344 KB Output isn't correct
10 Incorrect 0 ms 344 KB Output isn't correct
11 Incorrect 1 ms 596 KB Output isn't correct
12 Incorrect 1 ms 344 KB Output isn't correct
13 Incorrect 1 ms 344 KB Output isn't correct
14 Incorrect 0 ms 344 KB Output isn't correct
15 Incorrect 1 ms 344 KB Output isn't correct
16 Incorrect 3 ms 600 KB Output isn't correct
17 Incorrect 6 ms 600 KB Output isn't correct
18 Incorrect 3 ms 600 KB Output isn't correct
19 Incorrect 3 ms 600 KB Output isn't correct
20 Incorrect 4 ms 600 KB Output isn't correct
21 Incorrect 22 ms 1104 KB Output isn't correct
22 Incorrect 13 ms 1112 KB Output isn't correct
23 Incorrect 12 ms 1112 KB Output isn't correct
24 Incorrect 12 ms 1016 KB Output isn't correct
25 Incorrect 23 ms 1112 KB Output isn't correct
26 Incorrect 12 ms 1112 KB Output isn't correct
27 Incorrect 12 ms 1112 KB Output isn't correct
28 Incorrect 12 ms 1112 KB Output isn't correct
29 Incorrect 12 ms 1112 KB Output isn't correct
30 Incorrect 16 ms 1112 KB Output isn't 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 Correct 0 ms 344 KB Output is correct
2 Incorrect 1 ms 344 KB Output isn't correct
3 Partially correct 0 ms 344 KB Partially correct
4 Incorrect 0 ms 344 KB Output isn't correct
5 Partially correct 0 ms 344 KB Partially 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 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Partially correct 1 ms 344 KB Partially correct
16 Correct 5 ms 600 KB Output is correct
17 Correct 7 ms 600 KB Output is correct
18 Correct 4 ms 600 KB Output is correct
19 Correct 5 ms 600 KB Output is correct
20 Correct 4 ms 600 KB Output is correct
21 Correct 21 ms 1200 KB Output is correct
22 Correct 16 ms 1112 KB Output is correct
23 Correct 16 ms 1112 KB Output is correct
24 Correct 17 ms 1112 KB Output is correct
25 Partially correct 32 ms 1140 KB Partially correct
26 Correct 17 ms 1056 KB Output is correct
27 Correct 17 ms 1112 KB Output is correct
28 Correct 18 ms 1112 KB Output is correct
29 Correct 16 ms 1112 KB Output is correct
30 Correct 29 ms 1112 KB Output is correct
31 Partially correct 0 ms 344 KB Partially correct
32 Correct 0 ms 344 KB Output is correct