| ||||||||||
| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
Re:WA,为什么啊,真的和读入有关吗?In Reply To:WA,为什么啊,真的和读入有关吗? Posted by:blackwing at 2007-11-30 00:05:18 > #include <iostream>
> #include <string>
> using namespace std;
>
> int main()
> {
> string a,b;
> int lena,lenb,lenc;
> int c[100]={0};
> cin>>a>>b;
> lena=a.size();
> lenb=b.size();
> for(int i=0;i<lena;++i)
> {
> for(int j=0;j<lenb;++j)
> {
> c[i+j]+=(a[i]-48)*(b[j]-48);
> c[i+j+1]+=c[i+j]/10;
> c[i+j]%=10;
> }
> }
>
> c[lena+lenb-1]==0?lenc=lena+lenb-1:lenc=lena+lenb;
> for(int m=lenc-1;m>=0;--m)cout<<c[m];
> }
>
Followed by:
Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator