Submission #108461

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
108461	2019-04-30T00:56:53 Z	nxteru	Gap (APIO16_gap)	C++14	87.3918 / 100	79 ms	3312 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/=(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	3 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	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	4 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	3 ms	384 KB	Output is correct
16	Correct	15 ms	1024 KB	Output is correct
17	Correct	16 ms	1152 KB	Output is correct
18	Correct	16 ms	1116 KB	Output is correct
19	Correct	17 ms	1068 KB	Output is correct
20	Correct	13 ms	1068 KB	Output is correct
21	Correct	53 ms	2716 KB	Output is correct
22	Correct	54 ms	2716 KB	Output is correct
23	Correct	53 ms	2732 KB	Output is correct
24	Correct	56 ms	2688 KB	Output is correct
25	Correct	51 ms	2740 KB	Output is correct
26	Correct	52 ms	2632 KB	Output is correct
27	Correct	48 ms	2716 KB	Output is correct
28	Correct	54 ms	2844 KB	Output is correct
29	Correct	53 ms	2712 KB	Output is correct
30	Correct	40 ms	2844 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct

Subtask #2

57.3917645919 / 70.0

#	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	3 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	256 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	4 ms	384 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct
16	Correct	18 ms	896 KB	Output is correct
17	Correct	18 ms	888 KB	Output is correct
18	Correct	21 ms	896 KB	Output is correct
19	Correct	20 ms	896 KB	Output is correct
20	Partially correct	9 ms	512 KB	Partially correct
21	Correct	73 ms	2288 KB	Output is correct
22	Correct	66 ms	2288 KB	Output is correct
23	Correct	72 ms	2412 KB	Output is correct
24	Correct	65 ms	2288 KB	Output is correct
25	Correct	64 ms	3312 KB	Output is correct
26	Correct	65 ms	2332 KB	Output is correct
27	Correct	79 ms	2260 KB	Output is correct
28	Correct	64 ms	2472 KB	Output is correct
29	Correct	72 ms	2288 KB	Output is correct
30	Partially correct	57 ms	1528 KB	Partially correct
31	Correct	3 ms	384 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct