Submission #1216891
Source Code Expand
#include<cstring> #include<cstdlib> #include<cstdio> #include<cmath> #include<iostream> #define N 2100 #define mmod 1000000007 using namespace std; int n,m,k,f[N],g[N],ans; int main() { scanf("%d%d%d",&n,&m,&k); f[0]=1; for(int i=1;;i++) { if((i-1)*(k-1)+k>n+m) break; int sum=(i-1)*(k-1),sa,sb; for(int j=0;j<=n;j++) { if(f[j]==0) continue; for(int a=1;a<k;a++) { sa=j+a; sb=sum-j+k-a; if(sa>n || sb>m || sb<0) continue; if((n-sa)%(k-1)==0 && (m-sb)%(k-1)==0) ans=(ans+f[j])%mmod; } } for(int j=0;j<=n;j++) g[j]=0; for(int j=0;j<=n;j++) for(int x=0;x<k;x++) g[j+x]=(g[j+x]+f[j])%mmod; for(int j=0;j<=n;j++) f[j]=g[j]; } printf("%d\n",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Eternal Average |
User | la1la1la |
Language | C++14 (GCC 5.4.1) |
Score | 1600 |
Code Size | 746 Byte |
Status | AC |
Exec Time | 90 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:12:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&m,&k); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1600 / 1600 | ||||
Status |
|
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Set Name | Test Cases |
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Sample | s1.txt, s2.txt, s3.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, s1.txt, s2.txt, s3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 1 ms | 256 KB |
02.txt | AC | 90 ms | 256 KB |
03.txt | AC | 1 ms | 256 KB |
04.txt | AC | 1 ms | 256 KB |
05.txt | AC | 63 ms | 256 KB |
06.txt | AC | 1 ms | 256 KB |
07.txt | AC | 16 ms | 256 KB |
08.txt | AC | 2 ms | 256 KB |
09.txt | AC | 39 ms | 256 KB |
10.txt | AC | 40 ms | 256 KB |
11.txt | AC | 24 ms | 256 KB |
12.txt | AC | 19 ms | 256 KB |
13.txt | AC | 31 ms | 256 KB |
14.txt | AC | 17 ms | 256 KB |
15.txt | AC | 28 ms | 256 KB |
16.txt | AC | 6 ms | 256 KB |
17.txt | AC | 24 ms | 256 KB |
18.txt | AC | 8 ms | 256 KB |
19.txt | AC | 32 ms | 256 KB |
20.txt | AC | 37 ms | 256 KB |
21.txt | AC | 1 ms | 256 KB |
22.txt | AC | 43 ms | 256 KB |
23.txt | AC | 31 ms | 256 KB |
24.txt | AC | 28 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |
s3.txt | AC | 1 ms | 256 KB |