Submission #2199579
Source Code Expand
#include <cstdio> #define ref(i,x,y)for(int i=x;i<=y;++i) #define def(i,x,y)for(int i=x;i>=y;--i) const int N=200001; int n,m,v,a[N],b[N],pl[19][N],pr[19][N],fl[1<<18],fr[1<<18]; void updmax(int&a,int b){if(b>a)a=b;} void updmin(int&a,int b){if(b<a)a=b;} int main(){ scanf("%d%d",&n,&v); ref(i,1,n)scanf("%d",&a[i]); ref(i,0,18){ pl[i][1]=1;pr[i][n]=n; pl[i][0]=1;pr[i][n+1]=n; ref(j,1+1,n)if(a[j]-a[j-1]<=v)pl[i][j]=pl[i][j-1];else pl[i][j]=j; def(j,n-1,1)if(a[j+1]-a[j]<=v)pr[i][j]=pr[i][j+1];else pr[i][j]=j; if(!v){m=i;break;} v>>=1; } ref(i,0,(1<<m)-1)fl[i]=0,fr[i]=n+1; ref(i,0,(1<<m)-1)ref(j,1,m)if(!(i>>j-1&1)){ int I=i|(1<<j-1); updmax(fl[I],pr[j][fl[i]+1]); updmin(fr[I],pl[j][fr[i]-1]); } ref(i,0,(1<<m)-1)if(pr[0][fl[i]+1]>=fr[((1<<m)-1)^i]-1) b[pr[0][fl[i]+1]]=1; ref(i,1,n)if(b[pr[0][i]])printf("Possible\n"); else printf("Impossible\n"); }
Submission Info
Submission Time | |
---|---|
Task | E - Camel and Oases |
User | fangyoule |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 913 Byte |
Status | AC |
Exec Time | 68 ms |
Memory | 35584 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:9:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&v); ^ ./Main.cpp:10:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] ref(i,1,n)scanf("%d",&a[i]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 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 | 2 ms | 8320 KB |
00_example_02.txt | AC | 3 ms | 8448 KB |
00_example_03.txt | AC | 3 ms | 12416 KB |
01.txt | AC | 28 ms | 32896 KB |
02.txt | AC | 12 ms | 31360 KB |
03.txt | AC | 28 ms | 32896 KB |
04.txt | AC | 12 ms | 31360 KB |
05.txt | AC | 28 ms | 32896 KB |
06.txt | AC | 34 ms | 33280 KB |
07.txt | AC | 15 ms | 31616 KB |
08.txt | AC | 32 ms | 33152 KB |
09.txt | AC | 16 ms | 31616 KB |
10.txt | AC | 30 ms | 33024 KB |
11.txt | AC | 21 ms | 32128 KB |
12.txt | AC | 30 ms | 33024 KB |
13.txt | AC | 67 ms | 35584 KB |
14.txt | AC | 29 ms | 32896 KB |
15.txt | AC | 12 ms | 31360 KB |
16.txt | AC | 29 ms | 32896 KB |
17.txt | AC | 12 ms | 31488 KB |
18.txt | AC | 28 ms | 32896 KB |
19.txt | AC | 17 ms | 31872 KB |
20.txt | AC | 33 ms | 33152 KB |
21.txt | AC | 15 ms | 31616 KB |
22.txt | AC | 32 ms | 33152 KB |
23.txt | AC | 16 ms | 31616 KB |
24.txt | AC | 30 ms | 33024 KB |
25.txt | AC | 21 ms | 32128 KB |
26.txt | AC | 32 ms | 33152 KB |
27.txt | AC | 67 ms | 35584 KB |
28.txt | AC | 33 ms | 33152 KB |
29.txt | AC | 15 ms | 31616 KB |
30.txt | AC | 33 ms | 33152 KB |
31.txt | AC | 20 ms | 32128 KB |
32.txt | AC | 30 ms | 33024 KB |
33.txt | AC | 20 ms | 32128 KB |
34.txt | AC | 31 ms | 33152 KB |
35.txt | AC | 68 ms | 35584 KB |
36.txt | AC | 28 ms | 32896 KB |
37.txt | AC | 12 ms | 31360 KB |
38.txt | AC | 28 ms | 32896 KB |
39.txt | AC | 12 ms | 31360 KB |
40.txt | AC | 28 ms | 32896 KB |
41.txt | AC | 17 ms | 31872 KB |
42.txt | AC | 28 ms | 32896 KB |
43.txt | AC | 17 ms | 31872 KB |
44.txt | AC | 28 ms | 32896 KB |
45.txt | AC | 17 ms | 31872 KB |
46.txt | AC | 14 ms | 31616 KB |
47.txt | AC | 32 ms | 33152 KB |
48.txt | AC | 20 ms | 32128 KB |
49.txt | AC | 31 ms | 33024 KB |
50.txt | AC | 19 ms | 32000 KB |
51.txt | AC | 31 ms | 33024 KB |
52.txt | AC | 20 ms | 32128 KB |
53.txt | AC | 31 ms | 33024 KB |
54.txt | AC | 19 ms | 32128 KB |
55.txt | AC | 31 ms | 33152 KB |
56.txt | AC | 14 ms | 31488 KB |
57.txt | AC | 32 ms | 33024 KB |
58.txt | AC | 20 ms | 32128 KB |
59.txt | AC | 31 ms | 33024 KB |
60.txt | AC | 20 ms | 32128 KB |
61.txt | AC | 31 ms | 33152 KB |
62.txt | AC | 20 ms | 32128 KB |
63.txt | AC | 31 ms | 33152 KB |
64.txt | AC | 20 ms | 32128 KB |
65.txt | AC | 32 ms | 33152 KB |
66.txt | AC | 2 ms | 8320 KB |
67.txt | AC | 2 ms | 8320 KB |