Submission #3428737
Source Code Expand
#include<iostream> #include<cstdio> #include<algorithm> #define p 1000000007 using namespace std; int n,lasa[101010],lasb[101010]; long long a[101010],A,B,sum[101101]; int main() { scanf("%d%lld%lld",&n,&A,&B); if(A>B) swap(A,B); for(int i=1;i<=n;i++) { scanf("%lld",&a[i]); if(i>2&&a[i]-a[i-2]<A) { puts("0"); return 0; } } lasa[1]=1; a[0]=-0x7f7f7f7f7f7f7f7f;a[n+1]=0x7f7f7f7f7f7f7f7f; for(int i=2;i<=n+1;i++) { if(a[i]-a[i-1]>=A) lasa[i]=lasa[i-1]; else lasa[i]=i; lasb[i]=upper_bound(a,a+i+1,a[i]-B)-a-1; } sum[0]=1; for(int i=1;i<=n+1;i++) { int l=max(0,lasa[i-1]-1),r=lasb[i]; long long x; if(l>r) x=0; else { if(l==0) x=sum[r]; else x=(sum[r]-sum[l-1]+p)%p; } sum[i]=(sum[i-1]+x)%p; } printf("%lld\n",(sum[n+1]-sum[n]+p)%p); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Division into Two |
User | icynias |
Language | C++14 (GCC 5.4.1) |
Score | 1100 |
Code Size | 851 Byte |
Status | AC |
Exec Time | 22 ms |
Memory | 2560 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:10:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%lld%lld",&n,&A,&B); ^ ./Main.cpp:14:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&a[i]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1100 / 1100 | ||||
Status |
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Set Name | Test Cases |
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Sample | s1.txt, s2.txt, s3.txt, s4.txt |
All | 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, s1.txt, s2.txt, s3.txt, s4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 22 ms | 2560 KB |
02.txt | AC | 21 ms | 2560 KB |
03.txt | AC | 22 ms | 2560 KB |
04.txt | AC | 21 ms | 2560 KB |
05.txt | AC | 20 ms | 2560 KB |
06.txt | AC | 21 ms | 2560 KB |
07.txt | AC | 22 ms | 2560 KB |
08.txt | AC | 21 ms | 2560 KB |
09.txt | AC | 22 ms | 2560 KB |
10.txt | AC | 22 ms | 2560 KB |
11.txt | AC | 21 ms | 2560 KB |
12.txt | AC | 22 ms | 2560 KB |
13.txt | AC | 22 ms | 2560 KB |
14.txt | AC | 21 ms | 2560 KB |
15.txt | AC | 21 ms | 2560 KB |
16.txt | AC | 13 ms | 2560 KB |
17.txt | AC | 15 ms | 2560 KB |
18.txt | AC | 17 ms | 2560 KB |
19.txt | AC | 16 ms | 2560 KB |
20.txt | AC | 17 ms | 2560 KB |
21.txt | AC | 17 ms | 2560 KB |
22.txt | AC | 17 ms | 2560 KB |
23.txt | AC | 15 ms | 2560 KB |
24.txt | AC | 16 ms | 2560 KB |
25.txt | AC | 20 ms | 2560 KB |
26.txt | AC | 19 ms | 2560 KB |
27.txt | AC | 19 ms | 2560 KB |
28.txt | AC | 19 ms | 2560 KB |
29.txt | AC | 18 ms | 2560 KB |
30.txt | AC | 18 ms | 2560 KB |
31.txt | AC | 18 ms | 2560 KB |
32.txt | AC | 18 ms | 2560 KB |
33.txt | AC | 19 ms | 2560 KB |
34.txt | AC | 16 ms | 2560 KB |
35.txt | AC | 20 ms | 2560 KB |
36.txt | AC | 14 ms | 2560 KB |
37.txt | AC | 14 ms | 2560 KB |
38.txt | AC | 15 ms | 2560 KB |
39.txt | AC | 22 ms | 2560 KB |
40.txt | AC | 15 ms | 2560 KB |
41.txt | AC | 16 ms | 2560 KB |
42.txt | AC | 1 ms | 256 KB |
43.txt | AC | 22 ms | 2560 KB |
44.txt | AC | 22 ms | 2560 KB |
45.txt | AC | 22 ms | 2560 KB |
46.txt | AC | 22 ms | 2560 KB |
47.txt | AC | 4 ms | 384 KB |
48.txt | AC | 1 ms | 256 KB |
49.txt | AC | 1 ms | 256 KB |
50.txt | AC | 1 ms | 256 KB |
51.txt | AC | 1 ms | 256 KB |
52.txt | AC | 1 ms | 256 KB |
53.txt | AC | 1 ms | 256 KB |
54.txt | AC | 1 ms | 256 KB |
55.txt | AC | 1 ms | 256 KB |
56.txt | AC | 1 ms | 256 KB |
57.txt | AC | 1 ms | 256 KB |
58.txt | AC | 1 ms | 256 KB |
59.txt | AC | 1 ms | 256 KB |
60.txt | AC | 1 ms | 256 KB |
61.txt | AC | 1 ms | 256 KB |
62.txt | AC | 1 ms | 256 KB |
63.txt | AC | 1 ms | 256 KB |
64.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |
s3.txt | AC | 1 ms | 256 KB |
s4.txt | AC | 1 ms | 256 KB |