(HDU) 1058--humble Numbers (ugly number)

Title Link: http://vjudge.net/problem/HDU-1058

This problem is a bit difficult, I wrote for a long while still tle, referring to other people's blog.

http://blog.csdn.net/pythonfx/article/details/7292835

http://blog.csdn.net/x_iya/article/details/8774087

The second person's blog uses DP, which is not suitable for the basic problem.

1#include <stdio.h>2 intf[5843],n;3 inti,j,k,l;4 5 intMinintAintBintCintd) {6     intmin=A;7     if(b<min) min=b;8     if(c<min) min=C;9     if(d<min) min=D;Ten  One     if(a==min) i++; A     if(b==min) J + +; -     if(c==min) k++; -     if(d==min) l++; the  -     returnmin; - } -  + intMain () { -I=j=k=l=1; +f[1]=1; A      for(intt=2; t<=5842; t++) atF[t]=min (2*f[i],3*F[J],5*f[k],7*f[l]); -  -      while(SCANF ("%d", &n) &&n!=0){ -         if(n%Ten==1&&n% -!= One) -printf"The %dst humble number is%d.\n", N,f[n]); -         Else if(n%Ten==2&&n% -!= A) inprintf"The %dnd humble number is%d.\n", N,f[n]); -         Else if(n%Ten==3&&n% -!= -) toprintf"The %DRD humble number is%d.\n", N,f[n]); +         Else -printf"The %dth humble number is%d.\n", N,f[n]); the     } *     return 0; $}

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1#include <iostream>2#include <cstdio>3#include <cstring>4#include <algorithm>5 using namespacestd;6 Long Longf[6000];7 intMain ()8 {9     intN;Ten     intprime[4]={2,3,5,7}; Onef[1]=1; A      for(intI=2; i<=5842; i++) -     { -f[i]=2000000001; the          for(intj=0;j<4; j + +) -         { -              for(intk=i-1;k>0; k--) -             { +                 if(f[k]*prime[j]<=f[i-1]) -                      Break; +                 if(F[k]*prime[j]<f[i])//????????? Af[i]=f[k]*Prime[j]; at             } -         } -     } -      while(SCANF ("%d",&N), N) -     { -         if(n%Ten==1&&n% -!= One) inprintf"The %dst humble number is%lld.\n", N,f[n]); -         Else if(n%Ten==2&&n% -!= A) toprintf"The %dnd humble number is%lld.\n", N,f[n]); +         Else if(n%Ten==3&&n% -!= -) -printf"The %DRD humble number is%lld.\n", N,f[n]); the         Else *printf"The %dth humble number is%lld.\n", N,f[n]); $     }Panax Notoginseng     return 0; -}

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(HDU) 1058--humble Numbers (ugly number)