Submission #1988254
Source Code Expand
#include<iostream> #include<algorithm> #include<string> #include<vector> #include<math.h> #include<map> #include<functional> #include<queue> using namespace std; long long int fact(int in){ long long int ret=in; for(int i=1;i<in-1;i++){ ret*=in-i; if(ret>=1000000007){ ret%=1000000007; } } return ret; } int main(){ int n,m; cin>>n>>m; long long int a; if(n==m){ a=2*fact(n)*fact(m); }else if((n==m-1)||(m==n-1)){ a=fact(n)*fact(m); }else{ a=0; } if(a>=1000000007){ a=a%1000000007; } cout<<a<<endl; }
Submission Info
Submission Time | |
---|---|
Task | C - Reconciled? |
User | TAISA_ |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 660 Byte |
Status | AC |
Exec Time | 2 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
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, s1.txt, s2.txt, s3.txt, s4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 1 ms | 256 KB |
02.txt | AC | 2 ms | 256 KB |
03.txt | AC | 1 ms | 256 KB |
04.txt | AC | 2 ms | 256 KB |
05.txt | AC | 2 ms | 256 KB |
06.txt | AC | 1 ms | 256 KB |
07.txt | AC | 1 ms | 256 KB |
08.txt | AC | 1 ms | 256 KB |
09.txt | AC | 2 ms | 256 KB |
10.txt | AC | 2 ms | 256 KB |
11.txt | AC | 1 ms | 256 KB |
12.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 | 2 ms | 256 KB |