Submission #1840964
Source Code Expand
#include <iostream> #include <cstdio> #include <cstring> #include <cassert> #include <cctype> using namespace std; typedef long long lint; #define cout cerr #define ni (next_num<int>()) template<class T>inline T next_num(){ T i=0;char c; while(!isdigit(c=getchar())&&c!='-'); bool flag=c=='-'; flag?c=getchar():0; while(i=i*10-'0'+c,isdigit(c=getchar())); return flag?-i:i; } template<class T1,class T2>inline void apmax(T1 &a,const T2 &b){if(a<b)a=b;} template<class T1,class T2>inline void apmin(T1 &a,const T2 &b){if(b<a)a=b;} const int N=200010,SH=19,SN=1<<SH,INF=0x7f7f7f7f; int tol[N][SH],tor[N][SH]; int fl[SN],fr[SN]; int x[N],v[N]; int ext[N]; int main(){ int n=ni,vs=0; v[0]=ni; for(int &i=vs;v[i];i++){ v[i+1]=v[i]>>1; } for(int i=1;i<=n;i++){ x[i]=ni; } for(int j=0;j<=vs;j++){ for(int i=1;i<=n;i++){ tol[i][j]=i>1&&x[i]-x[i-1]<=v[j]?tol[i-1][j]:i; } for(int i=n;i>=1;i--){ tor[i][j]=i<n&&x[i+1]-x[i]<=v[j]?tor[i+1][j]:i; } } for(int s=0,ts=1<<vs;s<ts;s++){ fl[s]=0; for(int i=1;i<=vs;i++){ if((s>>(i-1))&1){ apmax(fl[s],tor[fl[s^(1<<(i-1))]+1][i]); } } } for(int s=0,ts=1<<vs;s<ts;s++){ fr[s]=n+1; for(int i=1;i<=vs;i++){ if((s>>(i-1))&1){ apmin(fr[s],tol[fr[s^(1<<(i-1))]-1][i]); } } } memset(ext,127,sizeof(ext)); for(int s=0,ts=1<<vs;s<ts;s++){ apmin(ext[fl[s]],fr[s^(ts-1)]); } for(int i=n;i>=1;i--){ apmin(ext[i-1],ext[i]); } for(int i=1;i<=n;i++){ puts(ext[tol[i][0]-1]<=tor[i][0]+1?"Possible":"Impossible"); } return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Camel and Oases |
User | sshockwave |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 1591 Byte |
Status | AC |
Exec Time | 126 ms |
Memory | 37760 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
|
|
Set Name | Test Cases |
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Sample | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt |
All | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, 65.txt, 66.txt, 67.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 3 ms | 9216 KB |
00_example_02.txt | AC | 3 ms | 9216 KB |
00_example_03.txt | AC | 3 ms | 9216 KB |
01.txt | AC | 39 ms | 9216 KB |
02.txt | AC | 12 ms | 9216 KB |
03.txt | AC | 38 ms | 9216 KB |
04.txt | AC | 12 ms | 9216 KB |
05.txt | AC | 39 ms | 9216 KB |
06.txt | AC | 47 ms | 13696 KB |
07.txt | AC | 16 ms | 11520 KB |
08.txt | AC | 43 ms | 11520 KB |
09.txt | AC | 17 ms | 11520 KB |
10.txt | AC | 41 ms | 9344 KB |
11.txt | AC | 25 ms | 11648 KB |
12.txt | AC | 41 ms | 9344 KB |
13.txt | AC | 125 ms | 37760 KB |
14.txt | AC | 39 ms | 9216 KB |
15.txt | AC | 12 ms | 9216 KB |
16.txt | AC | 38 ms | 9216 KB |
17.txt | AC | 11 ms | 9216 KB |
18.txt | AC | 40 ms | 9216 KB |
19.txt | AC | 20 ms | 9216 KB |
20.txt | AC | 46 ms | 13696 KB |
21.txt | AC | 16 ms | 11520 KB |
22.txt | AC | 44 ms | 11648 KB |
23.txt | AC | 18 ms | 13696 KB |
24.txt | AC | 45 ms | 9344 KB |
25.txt | AC | 26 ms | 11520 KB |
26.txt | AC | 46 ms | 11648 KB |
27.txt | AC | 124 ms | 37760 KB |
28.txt | AC | 47 ms | 13696 KB |
29.txt | AC | 16 ms | 11520 KB |
30.txt | AC | 47 ms | 13696 KB |
31.txt | AC | 25 ms | 9472 KB |
32.txt | AC | 43 ms | 9344 KB |
33.txt | AC | 26 ms | 11520 KB |
34.txt | AC | 46 ms | 11520 KB |
35.txt | AC | 126 ms | 37760 KB |
36.txt | AC | 39 ms | 9216 KB |
37.txt | AC | 12 ms | 9216 KB |
38.txt | AC | 41 ms | 9216 KB |
39.txt | AC | 12 ms | 9216 KB |
40.txt | AC | 41 ms | 9216 KB |
41.txt | AC | 21 ms | 9216 KB |
42.txt | AC | 42 ms | 9216 KB |
43.txt | AC | 21 ms | 9216 KB |
44.txt | AC | 41 ms | 9216 KB |
45.txt | AC | 22 ms | 9216 KB |
46.txt | AC | 15 ms | 9472 KB |
47.txt | AC | 46 ms | 11520 KB |
48.txt | AC | 25 ms | 9472 KB |
49.txt | AC | 47 ms | 11520 KB |
50.txt | AC | 25 ms | 9472 KB |
51.txt | AC | 45 ms | 9472 KB |
52.txt | AC | 25 ms | 9472 KB |
53.txt | AC | 45 ms | 9472 KB |
54.txt | AC | 25 ms | 9472 KB |
55.txt | AC | 46 ms | 11520 KB |
56.txt | AC | 14 ms | 9344 KB |
57.txt | AC | 45 ms | 11520 KB |
58.txt | AC | 24 ms | 11520 KB |
59.txt | AC | 42 ms | 9344 KB |
60.txt | AC | 26 ms | 11520 KB |
61.txt | AC | 45 ms | 11520 KB |
62.txt | AC | 25 ms | 9472 KB |
63.txt | AC | 45 ms | 11520 KB |
64.txt | AC | 26 ms | 11520 KB |
65.txt | AC | 44 ms | 11520 KB |
66.txt | AC | 3 ms | 9216 KB |
67.txt | AC | 3 ms | 9216 KB |