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 |
wa 了无数次 郁闷 求高人指点#include <iostream.h> void fun(int,char[]); void main() { char a[7]="0"; int b; while(cin.get(a,7)) { if(cin.get() == '\n') return; cin>>b; fun(b,a); while(cin.get() != '\n'); } } void fun(int b,char a[7]) { long e; int judge; long d[150]; e=0; judge=5; for(int i=0;i<6;i++) { if(a[i]!='.') e=e*10+(a[i]-'0'); else judge=i; } judge=5-judge; judge*=b; for(i=0;i<149;i++) d[i]=0; d[149]=1; for(i=0;i<b;i++) { for(int k=149;k>=0;k--) d[k]=d[k]*e; for(k=149;k>=0;k--) { if(k>=3) { d[k-3]+=d[k]/1000; d[k]%=1000; } if(k>=2) { d[k-2]+=d[k]/100;d[k]%=100; } if(k>=1) d[k-1]+=d[k]/10; d[k]%=10; } } int m; for(i=149;i>=0;i--) { if(d[i]!=0||judge==0) { m=i+1; break; } } int O=0; /* for(int h=0;h<150;h++) { cout<<"d["<<h<<"]"<<d[h]; }*/ for(i=0;i<m;i++) { if(i==150-judge) { cout<<'.'; O=1; } if(d[i]!=0||O) { O=1; cout<<d[i]; } } cout<<endl; } Followed by:
Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator