Submission #99940

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
99940	2019-03-08T20:24:56 Z	TadijaSebez	Gap (APIO16_gap)	C++11	100 / 100	76 ms	2484 KB

gap

#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll lim=1e18;
ll findGap(int T, int N)
{
	if(T==1)
	{
		ll a,b,c=-1,d=-1;
		ll l=0,r=lim,ans=0;
		vector<ll> v;
		while(l<=r && v.size()<N)
		{
			MinMax(l,r,&a,&b);
			if(a!=-1) v.push_back(a);
			if(b!=a) v.push_back(b);
			l=a+1;r=b-1;
		}
		sort(v.begin(),v.end());
		for(int i=1;i<v.size();i++) ans=max(ans,v[i]-v[i-1]);
		return ans;
	}
	else
	{
		ll l,r;
		MinMax(0,lim,&l,&r);
		ll block=(r-l+N-2)/(N-1);
		ll last=l,ans=0;
		for(int i=1;i<=N-1;i++)
		{
			ll a,b;
			MinMax(l+block*(i-1)+1,min(l+block*i,lim),&a,&b);
			if(last!=-1 && a!=-1) ans=max(ans,a-last);
			if(b!=-1) last=b;
		}
		return ans;
	}
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:13:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(l<=r && v.size()<N)
                 ~~~~~~~~^~
gap.cpp:21:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=1;i<v.size();i++) ans=max(ans,v[i]-v[i-1]);
               ~^~~~~~~~~
gap.cpp:10:10: warning: unused variable 'c' [-Wunused-variable]
   ll a,b,c=-1,d=-1;
          ^
gap.cpp:10:15: warning: unused variable 'd' [-Wunused-variable]
   ll a,b,c=-1,d=-1;
               ^

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	3 ms	512 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	3 ms	384 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	3 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	13 ms	896 KB	Output is correct
17	Correct	14 ms	912 KB	Output is correct
18	Correct	14 ms	896 KB	Output is correct
19	Correct	14 ms	896 KB	Output is correct
20	Correct	11 ms	896 KB	Output is correct
21	Correct	50 ms	2288 KB	Output is correct
22	Correct	50 ms	2484 KB	Output is correct
23	Correct	76 ms	2248 KB	Output is correct
24	Correct	50 ms	2292 KB	Output is correct
25	Correct	53 ms	2288 KB	Output is correct
26	Correct	61 ms	2288 KB	Output is correct
27	Correct	53 ms	2288 KB	Output is correct
28	Correct	53 ms	2288 KB	Output is correct
29	Correct	50 ms	2288 KB	Output is correct
30	Correct	41 ms	2260 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct

Subtask #2

70.0 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	3 ms	384 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	4 ms	384 KB	Output is correct
14	Correct	3 ms	384 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	18 ms	512 KB	Output is correct
17	Correct	19 ms	512 KB	Output is correct
18	Correct	16 ms	512 KB	Output is correct
19	Correct	22 ms	512 KB	Output is correct
20	Correct	9 ms	512 KB	Output is correct
21	Correct	64 ms	1144 KB	Output is correct
22	Correct	64 ms	1072 KB	Output is correct
23	Correct	64 ms	1164 KB	Output is correct
24	Correct	63 ms	1152 KB	Output is correct
25	Correct	58 ms	1152 KB	Output is correct
26	Correct	64 ms	1152 KB	Output is correct
27	Correct	63 ms	1152 KB	Output is correct
28	Correct	63 ms	1152 KB	Output is correct
29	Correct	64 ms	1272 KB	Output is correct
30	Correct	38 ms	1276 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct