Submission #1015284

# Submission time Handle Problem Language Result Execution time Memory
1015284 2024-07-06T08:23:56 Z vjudge1 Gap (APIO16_gap) C++17
0 / 100
2000 ms 1236 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);
			if (mn1==-1)
				break;
			ans=max(ans,max(mn1-mn,mx-mx1));
			mn=mn1,mx=mx1;
		}
		while (mn+ans<mx)
		{
			MinMax(mn+1,mx-1,&mn1,&mx1);
			if (mn1==-1)
			{
				ans=max(ans,mx-mn);
				break;
			}
			ans=max(ans,max(mn1-mn,mx-mx1));
		}
		
		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 0 ms 344 KB Output is correct
2 Execution timed out 3087 ms 344 KB Time limit exceeded
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 Execution timed out 3096 ms 344 KB Time limit exceeded
7 Incorrect 0 ms 344 KB Output isn't correct
8 Execution timed out 3093 ms 344 KB Time limit exceeded
9 Execution timed out 3065 ms 344 KB Time limit exceeded
10 Execution timed out 3065 ms 344 KB Time limit exceeded
11 Incorrect 0 ms 344 KB Output isn't correct
12 Incorrect 1 ms 344 KB Output isn't correct
13 Incorrect 0 ms 344 KB Output isn't correct
14 Incorrect 0 ms 344 KB Output isn't correct
15 Correct 1 ms 344 KB Output is correct
16 Execution timed out 3092 ms 600 KB Time limit exceeded
17 Incorrect 4 ms 600 KB Output isn't correct
18 Incorrect 6 ms 600 KB Output isn't correct
19 Execution timed out 3088 ms 672 KB Time limit exceeded
20 Execution timed out 3021 ms 600 KB Time limit exceeded
21 Incorrect 13 ms 1112 KB Output isn't correct
22 Execution timed out 3067 ms 1112 KB Time limit exceeded
23 Execution timed out 3036 ms 1112 KB Time limit exceeded
24 Incorrect 14 ms 1236 KB Output isn't correct
25 Correct 31 ms 1112 KB Output is correct
26 Incorrect 13 ms 1112 KB Output isn't correct
27 Execution timed out 3015 ms 1112 KB Time limit exceeded
28 Execution timed out 3043 ms 1112 KB Time limit exceeded
29 Execution timed out 3056 ms 1112 KB Time limit exceeded
30 Execution timed out 3032 ms 1112 KB Time limit exceeded
31 Correct 0 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 0 ms 344 KB Output isn't correct
3 Execution timed out 3083 ms 344 KB Time limit exceeded
4 Incorrect 1 ms 344 KB Output isn't correct
5 Partially correct 1 ms 344 KB Partially correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 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 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 496 KB Output is correct
17 Correct 6 ms 600 KB Output is correct
18 Correct 7 ms 440 KB Output is correct
19 Correct 8 ms 476 KB Output is correct
20 Correct 5 ms 628 KB Output is correct
21 Correct 18 ms 1196 KB Output is correct
22 Correct 32 ms 1152 KB Output is correct
23 Correct 28 ms 1128 KB Output is correct
24 Correct 21 ms 1188 KB Output is correct
25 Partially correct 33 ms 1112 KB Partially correct
26 Correct 28 ms 1112 KB Output is correct
27 Correct 17 ms 1024 KB Output is correct
28 Correct 21 ms 1112 KB Output is correct
29 Correct 27 ms 1112 KB Output is correct
30 Correct 24 ms 1112 KB Output is correct
31 Partially correct 1 ms 344 KB Partially correct
32 Correct 1 ms 344 KB Output is correct