Submission #108460

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
108460	2019-04-30T00:51:06 Z	nxteru	Gap (APIO16_gap)	C++14	89.0376 / 100	84 ms	3280 KB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
typedef long long ll;
#define PB push_back
ll ans,mn,mx,n,l=-1,r=1e19+1;
vector<ll>x,y;
long long findGap(int t, int N)
{
	n=N;
	if(t==1){
		while(x.size()+y.size()<n){
			l++,r--;
			MinMax(l,r,&l,&r);
			x.PB(l);
			y.PB(r);
		}
	}else{
		MinMax(l,r,&l,&r);
		x.PB(l),y.PB(r);
		ll s=r-l+1LL;
		s-=n;
		s=(s+n-2LL)/(n-1LL);
		for(ll i=l;i+1<r;i+=s){
			ll nx=min(r-1,i+s);
			MinMax(i+1,nx,&mn,&mx);
			if(mn!=-1)x.PB(mn);
			if(mx!=-1)x.PB(mx);
		}
	}
	for(int i=y.size()-1;i>=0;i--)x.PB(y[i]);
	for(int i=0;i+1<x.size();i++)ans=max(ans,x[i+1]-x[i]);
	return ans;
}

Compilation message

gap.cpp:6:27: warning: overflow in implicit constant conversion [-Woverflow]
 ll ans,mn,mx,n,l=-1,r=1e19+1;
                       ~~~~^~
gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:12:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(x.size()+y.size()<n){
         ~~~~~~~~~~~~~~~~~^~
gap.cpp:32:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i+1<x.size();i++)ans=max(ans,x[i+1]-x[i]);
              ~~~^~~~~~~~~

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	3 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	512 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	3 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	20 ms	1016 KB	Output is correct
17	Correct	14 ms	1024 KB	Output is correct
18	Correct	14 ms	1068 KB	Output is correct
19	Correct	14 ms	1024 KB	Output is correct
20	Correct	11 ms	1068 KB	Output is correct
21	Correct	54 ms	2868 KB	Output is correct
22	Correct	52 ms	2688 KB	Output is correct
23	Correct	53 ms	2716 KB	Output is correct
24	Correct	49 ms	2844 KB	Output is correct
25	Correct	56 ms	2784 KB	Output is correct
26	Correct	56 ms	2716 KB	Output is correct
27	Correct	54 ms	2716 KB	Output is correct
28	Correct	48 ms	2716 KB	Output is correct
29	Correct	53 ms	2716 KB	Output is correct
30	Correct	42 ms	2844 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct

Subtask #2

59.037623636 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 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	256 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	3 ms	356 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	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	17 ms	1024 KB	Output is correct
17	Correct	17 ms	896 KB	Output is correct
18	Correct	17 ms	896 KB	Output is correct
19	Correct	18 ms	1016 KB	Output is correct
20	Partially correct	8 ms	512 KB	Partially correct
21	Correct	75 ms	2288 KB	Output is correct
22	Correct	68 ms	2288 KB	Output is correct
23	Correct	65 ms	2228 KB	Output is correct
24	Correct	67 ms	2288 KB	Output is correct
25	Correct	81 ms	3280 KB	Output is correct
26	Correct	84 ms	2416 KB	Output is correct
27	Correct	70 ms	2288 KB	Output is correct
28	Correct	69 ms	2284 KB	Output is correct
29	Correct	68 ms	2260 KB	Output is correct
30	Partially correct	37 ms	1528 KB	Partially correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct