POJ 1001 exponentiation Analog Fractional Power

Analog decimal Power

Decimal Place POS

Not 0 Bottom E

Length Len

There are only three cases

POS > Len

POS < E

E < POS < Len

1#include <iostream>2#include <cstring>3 using namespacestd;4 inta[ -], b[ -], c[ -];5 voidCal ()6 {7Memset (c,0,sizeof(c)); 8      for(inti =0; I < $; i++)9          for(intj =0; J <Ten; J + +)TenC[I+J] + = a[i] *B[j]; One      for(inti =0; I < $; i++){ Ac[i+1] + = c[i]/Ten; -C[i]%=Ten; -     } theMemset (A,0,sizeof(a));  -      for(inti =0; I <= $; i++) -A[i] =C[i]; - } + Chars[Ten]; - intPOS, N, Len; + intMain () A { at      while(cin>>s>>N) -     { -Memset (A,0,sizeof(a)); -memset (b,0,sizeof(b)); -Memset (c,0,sizeof(c)); -         intt =0; in          for(inti =5; I >=0; i--) -         { to             if(s[i]=='.') pos =i; +             Elseb[t++] = s[i]-'0'; -         } thea[0] =1; *          for(inti =1; I <= N; i++) Cal ();  $Len = $;Panax Notoginseng          while(!c[len] && len>=0) len--; -         intE =0;//End the          while(!c[e] && e<= len) e++; +pos =5-Pos; POS *= N;//decimal point A         if(Pos >len) the         { +cout<<"."; -              for(inti = pos-1; I >= e; i--) cout<<C[i]; $cout<<Endl; $         } -         Else if(POS <= e)//integer -         { the              for(inti = len; I >= pos; i--) cout<<C[i]; -cout<<Endl;Wuyi         } the         Else//Normal -         { Wu              for(inti = len; I >= pos; i--) cout<<C[i]; -cout<<"."; About              for(inti = pos-1; I >= e; i--) cout<<C[i]; $cout<<Endl; -         } -     } -}

POJ 1001 exponentiation Analog Fractional Power