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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:
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