Submission #108463

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
108463	2019-04-30T01:09:27 Z	nxteru	Gap (APIO16_gap)	C++14	100 / 100	78 ms	3304 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++;
		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	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	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	356 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	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	14 ms	1024 KB	Output is correct
17	Correct	14 ms	1024 KB	Output is correct
18	Correct	15 ms	1024 KB	Output is correct
19	Correct	19 ms	1024 KB	Output is correct
20	Correct	11 ms	1068 KB	Output is correct
21	Correct	53 ms	2692 KB	Output is correct
22	Correct	53 ms	2716 KB	Output is correct
23	Correct	57 ms	2716 KB	Output is correct
24	Correct	57 ms	2640 KB	Output is correct
25	Correct	47 ms	2632 KB	Output is correct
26	Correct	68 ms	2748 KB	Output is correct
27	Correct	60 ms	2892 KB	Output is correct
28	Correct	54 ms	2716 KB	Output is correct
29	Correct	59 ms	2716 KB	Output is correct
30	Correct	38 ms	2716 KB	Output is correct
31	Correct	3 ms	384 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct

Subtask #2

70.0 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 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	3 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	3 ms	412 KB	Output is correct
14	Correct	3 ms	384 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	23 ms	896 KB	Output is correct
17	Correct	20 ms	896 KB	Output is correct
18	Correct	19 ms	1024 KB	Output is correct
19	Correct	19 ms	896 KB	Output is correct
20	Correct	9 ms	512 KB	Output is correct
21	Correct	66 ms	2288 KB	Output is correct
22	Correct	71 ms	2288 KB	Output is correct
23	Correct	75 ms	2364 KB	Output is correct
24	Correct	71 ms	2260 KB	Output is correct
25	Correct	67 ms	3304 KB	Output is correct
26	Correct	74 ms	2288 KB	Output is correct
27	Correct	75 ms	2288 KB	Output is correct
28	Correct	78 ms	2256 KB	Output is correct
29	Correct	67 ms	2288 KB	Output is correct
30	Correct	36 ms	1528 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct