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Re:第一次参加,请高手帮我指正In Reply To:第一次参加,请高手帮我指正 Posted by:youngtree at 2007-08-11 14:18:46 > 总是wrong answer,耽误一点时间,谢谢。 > > #include <iostream> > using namespace std; > > int count_num(int i,int j) > { > int res=0; > > int prod=1; > for(int k=1;k<=i;++k) > { > prod *= k; > } > > while(prod!=0) > { > if((prod-(prod/10)*10)==j) > { > res++; > } > prod /= 10; > } > return res; > } > > int main(int argc,char* argv[]) > { > int num=0; > cin>>num; > for(int k=0;k<num;++k) > { > int i=0,j=0; > cin>>i>>j; > > cout<<count_num(i,j)<<endl; > } > return 0; > } Followed by:
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