Submission #2215417
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define int long long #define rep(i,n) for(int i=0;i<(n);i++) #define pb push_back #define all(v) (v).begin(),(v).end() #define fi first #define se second typedef vector<int>vint; typedef pair<int,int>pint; typedef vector<pint>vpint; template<typename A,typename B>inline void chmin(A &a,B b){if(a>b)a=b;} template<typename A,typename B>inline void chmax(A &a,B b){if(a<b)a=b;} int L[20][222222],R[20][222222]; int N,V; int X[222222]; int dp1[1<<17]; int dp2[1<<17]; int acc[222222]; signed main(){ cin>>N>>V; rep(i,N)cin>>X[i]; rep(k,18){ rep(i,N){ L[k][i]=i; if(i&&X[i]-X[i-1]<=(V>>k))L[k][i]=L[k][i-1]; } for(int i=N-1;i>=0;i--){ R[k][i]=i; if(i+1!=N&&X[i+1]-X[i]<=(V>>k))R[k][i]=R[k][i+1]; } } rep(i,1<<17){ rep(j,17){ if(i>>j&1)continue; if((V>>j)==0)chmax(dp1[i|(1<<j)],dp1[i]); else if(dp1[i]==N)dp1[i|(1<<j)]=N; else chmax(dp1[i|(1<<j)],R[j+1][dp1[i]]+1); } } rep(i,1<<17)dp2[i]=N-1; rep(i,1<<17){ rep(j,17){ if(i>>j&1)continue; if((V>>j)==0)chmin(dp2[i|(1<<j)],dp2[i]); else if(dp2[i]==-1)dp2[i|(1<<j)]=-1; else chmin(dp2[i|(1<<j)],L[j+1][dp2[i]]-1); } } rep(i,1<<17){ int j=(1<<17)-1-i; if(dp1[i]>dp2[j]){ acc[0]++; continue; } if(R[0][dp1[i]]>=dp2[j]){ acc[L[0][dp1[i]]]++; acc[R[0][dp1[i]]+1]--; } } rep(i,N){ acc[i+1]+=acc[i]; if(acc[i]){ puts("Possible"); } else{ puts("Impossible"); } } return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Camel and Oases |
User | latte0119 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1880 Byte |
Status | WA |
Exec Time | 134 ms |
Memory | 71808 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1000 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
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 | 30 ms | 68096 KB |
00_example_02.txt | AC | 30 ms | 68096 KB |
00_example_03.txt | AC | 30 ms | 68096 KB |
01.txt | AC | 31 ms | 68096 KB |
02.txt | AC | 31 ms | 68096 KB |
03.txt | AC | 31 ms | 68096 KB |
04.txt | AC | 31 ms | 68096 KB |
05.txt | AC | 31 ms | 68096 KB |
06.txt | AC | 45 ms | 68736 KB |
07.txt | AC | 39 ms | 68480 KB |
08.txt | AC | 40 ms | 68480 KB |
09.txt | AC | 42 ms | 68480 KB |
10.txt | AC | 35 ms | 68352 KB |
11.txt | AC | 42 ms | 68608 KB |
12.txt | AC | 37 ms | 68352 KB |
13.txt | AC | 126 ms | 71808 KB |
14.txt | AC | 31 ms | 68096 KB |
15.txt | AC | 31 ms | 68096 KB |
16.txt | AC | 31 ms | 68096 KB |
17.txt | AC | 31 ms | 68096 KB |
18.txt | AC | 31 ms | 68096 KB |
19.txt | AC | 31 ms | 68096 KB |
20.txt | AC | 43 ms | 68608 KB |
21.txt | AC | 40 ms | 68480 KB |
22.txt | AC | 41 ms | 68608 KB |
23.txt | AC | 43 ms | 68608 KB |
24.txt | AC | 36 ms | 68352 KB |
25.txt | AC | 41 ms | 68480 KB |
26.txt | AC | 41 ms | 68480 KB |
27.txt | AC | 125 ms | 71808 KB |
28.txt | AC | 44 ms | 68608 KB |
29.txt | AC | 39 ms | 68480 KB |
30.txt | AC | 43 ms | 68608 KB |
31.txt | AC | 39 ms | 68352 KB |
32.txt | AC | 37 ms | 68352 KB |
33.txt | AC | 40 ms | 68480 KB |
34.txt | AC | 40 ms | 68480 KB |
35.txt | AC | 134 ms | 71808 KB |
36.txt | WA | 31 ms | 68096 KB |
37.txt | AC | 31 ms | 68096 KB |
38.txt | AC | 31 ms | 68096 KB |
39.txt | AC | 31 ms | 68096 KB |
40.txt | AC | 31 ms | 68096 KB |
41.txt | AC | 31 ms | 68096 KB |
42.txt | AC | 31 ms | 68096 KB |
43.txt | AC | 31 ms | 68096 KB |
44.txt | WA | 31 ms | 68096 KB |
45.txt | AC | 31 ms | 68096 KB |
46.txt | AC | 38 ms | 68480 KB |
47.txt | AC | 39 ms | 68480 KB |
48.txt | AC | 38 ms | 68480 KB |
49.txt | AC | 40 ms | 68480 KB |
50.txt | AC | 37 ms | 68352 KB |
51.txt | AC | 37 ms | 68352 KB |
52.txt | AC | 37 ms | 68352 KB |
53.txt | AC | 38 ms | 68480 KB |
54.txt | AC | 37 ms | 68352 KB |
55.txt | AC | 39 ms | 68480 KB |
56.txt | AC | 36 ms | 68352 KB |
57.txt | AC | 39 ms | 68480 KB |
58.txt | AC | 39 ms | 68480 KB |
59.txt | AC | 36 ms | 68352 KB |
60.txt | AC | 39 ms | 68480 KB |
61.txt | AC | 38 ms | 68480 KB |
62.txt | AC | 38 ms | 68480 KB |
63.txt | AC | 38 ms | 68480 KB |
64.txt | AC | 39 ms | 68480 KB |
65.txt | AC | 39 ms | 68480 KB |
66.txt | AC | 30 ms | 68096 KB |
67.txt | AC | 30 ms | 68096 KB |