Submission #1438857
Source Code Expand
#include<iostream> #include<cstdio> #include<cstdlib> #include<cstring> using namespace std; int n; long long a,b; long long e[100010]; int lsta[100010],lstb[100010]; long long dp1[100010],dp2[100010]; const long long md=1e9+7; void pls(long long& x,long long y) { x+=y; if(x>md)x-=md; } int main() { scanf("%d%lld%lld",&n,&a,&b); for(int i=1;i<=n;i++) { scanf("%lld",e+i); } for(int i=2;i<=n;i++) { for(lsta[i]=lsta[i-1];e[lsta[i]+1]+a<=e[i];lsta[i]++); for(lstb[i]=lstb[i-1];e[lstb[i]+1]+b<=e[i];lstb[i]++); } dp1[0]=dp2[0]=1; for(int i=2;i<=n;i++) { long long ax=dp2[min(i-2,lsta[i])],ay=dp1[min(i-2,lstb[i])]; if(lsta[i]!=i-1)dp1[i-2]=0LL; if(lstb[i]!=i-1)dp2[i-2]=0LL; pls(dp1[i-1],ax+dp1[i-2]); pls(dp2[i-1],ay+dp2[i-2]); } long long ans=(dp1[n-1]+dp2[n-1])%md; printf("%lld",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Division into Two |
User | vjudge1 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 831 Byte |
Status | WA |
Exec Time | 25 ms |
Memory | 3328 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:19:30: 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:22:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",e+i); ^
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1100 | ||||||
Status |
|
|
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 | 20 ms | 3328 KB |
02.txt | AC | 19 ms | 3328 KB |
03.txt | AC | 19 ms | 3328 KB |
04.txt | AC | 18 ms | 3328 KB |
05.txt | AC | 18 ms | 3328 KB |
06.txt | AC | 18 ms | 3328 KB |
07.txt | AC | 19 ms | 3328 KB |
08.txt | AC | 20 ms | 3328 KB |
09.txt | AC | 20 ms | 3328 KB |
10.txt | AC | 20 ms | 3328 KB |
11.txt | AC | 19 ms | 3328 KB |
12.txt | AC | 20 ms | 3328 KB |
13.txt | AC | 19 ms | 3328 KB |
14.txt | AC | 19 ms | 3328 KB |
15.txt | AC | 18 ms | 3328 KB |
16.txt | AC | 12 ms | 3328 KB |
17.txt | AC | 14 ms | 3328 KB |
18.txt | AC | 16 ms | 3328 KB |
19.txt | WA | 15 ms | 3328 KB |
20.txt | AC | 15 ms | 3328 KB |
21.txt | AC | 15 ms | 3328 KB |
22.txt | WA | 15 ms | 3328 KB |
23.txt | WA | 13 ms | 3328 KB |
24.txt | WA | 15 ms | 3328 KB |
25.txt | AC | 18 ms | 3328 KB |
26.txt | AC | 17 ms | 3328 KB |
27.txt | AC | 25 ms | 3328 KB |
28.txt | AC | 17 ms | 3328 KB |
29.txt | WA | 16 ms | 3328 KB |
30.txt | WA | 16 ms | 3328 KB |
31.txt | WA | 16 ms | 3328 KB |
32.txt | WA | 17 ms | 3328 KB |
33.txt | WA | 17 ms | 3328 KB |
34.txt | WA | 14 ms | 3328 KB |
35.txt | WA | 18 ms | 3328 KB |
36.txt | AC | 13 ms | 3328 KB |
37.txt | AC | 13 ms | 3328 KB |
38.txt | AC | 12 ms | 3328 KB |
39.txt | AC | 20 ms | 3328 KB |
40.txt | AC | 12 ms | 3328 KB |
41.txt | AC | 13 ms | 3328 KB |
42.txt | AC | 12 ms | 3328 KB |
43.txt | AC | 20 ms | 3328 KB |
44.txt | AC | 20 ms | 3328 KB |
45.txt | AC | 20 ms | 3328 KB |
46.txt | AC | 20 ms | 3328 KB |
47.txt | AC | 20 ms | 3328 KB |
48.txt | AC | 20 ms | 3328 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 |