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Re:哪位前辈帮忙看下代码,我试了很多数据了但还是不过,帮帮忙,给个数In Reply To:哪位前辈帮忙看下代码,我试了很多数据了但还是不过,帮帮忙,给个数 Posted by:271314 at 2010-11-09 23:12:29 > #include<iostream> > #include<string.h> > using namespace std; > //考虑下小数点的问题 > int main() > { > int i,j,n,q;char r[100];int d=0,o=1; > while(cin>>r) > {int w=-1; > cin>>n; > j=strlen(r);//不读入回车 > q=j; > if(n==0) > cout<<"1"; > else > { > int e[1000]={0},e1[1000]={0},e2[1000]={0};d=q;int y; > for(i=0;i<d;i++) > { > > if(r[q-i-1]=='.') > { > w=i;q--; > }//注意赋值 > if(q-i-1<0) break;//检查数组越界 > > e2[i]=e[i]=(r[q-i-1]-'0'); > } > w=w*n+1;//记入小数点输出位置 > int c=0,k; > if(n==1) > { > > o=0; > } > if(n>=2) > { > for(i=0;i<n-1;i++) > { > > for(k=0;k<d;k++) > { q=k; > for(j=0;j<1000;j++) > { > int s=e[j]*e2[k]+c+e1[q]; > c=0; > e1[q]=s%10; > c=s/10; > q++; > } > } > for(int y=0;y<1000;y++) > {e[y]=e1[y];e1[y]=0;} > } > } > d=0;q=1; > for(i=0;i<1000;i++) > { if(e[0]!=0) break; > if(e[i]!=0) q=0; > if(e[i]==0&&q&&i<=w-2) d++; > } > q=1;j=1;k=1; > for(i=998;i>=d;i--) > { > if(e[i]!=0) > { q=0;y=i;} > //if(y<w&&j) > //{ cout<<"0";j=0;} > if(i==w-2) > { > cout<<".";k=0; > } > if(e[i]==0&&k&&q) > continue; > //if(i!=(1000-y-w)) > cout<<e[i];} > } > if(q==1&&o) > cout<<"0"; > cout<<"\n"; > } > return 0; > } > > Followed by: Post your reply here: |
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