Usaco Section1.2 palindromic squares Problem Solving Report

Palsquare Problem Solving report--icedream61 Blog Park (reproduced please specify the source)
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Topic
In the 1~300, the square in the B-system is the number of palindrome number to output. Each number x outputs a row, and the X and x ² in the output B are separated by a space.
Note that these numbers, 10~19, are denoted by capital letters ' A ', ' B ', and so on.
"Data Range"
1<=b<=20
"Input Sample"
10
"Output Example"
1 1
2 4
3 9
11 121
22 484
26 676
101 10201
111 12321
121 14641
202 40804
212 44944
264 69696
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Analysis
There is no difficulty in making the conversion.
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Summary
The binary conversion made a small mistake, and the output was cout from the beginning.

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Code

1 /*2 id:icedrea13 Prob:palsquare4 lang:c++5 */6 7#include <iostream>8#include <fstream>9 using namespacestd;Ten  One intB; A Charto[ -]={'0','1','2','3','4','5','6','7','8','9', -                 'A','B','C','D','E','F','G','H','I','J'  }; -  the stringChangeintx) - { -     stringnum; -      while(x) {num=to[x%b]+num; x/=B;} +     returnnum; - } +  A BOOLIspal (intx) at { -     stringNum=change (x*x); -      for(intI=0; I!=num.size (); + +i) -         if(Num[i]!=num[num.size ()-1-I.])return false; -     return true; - } in  - intMain () to { +Ifstreaminch("palsquare.in"); -Ofstream out("Palsquare.out"); the  *     inch>>B; $      for(intI=1; i<= -;++i)Panax Notoginseng     { -         if(!ispal (i))Continue; the          out<<change (i) <<" "<<change (i*i) <<Endl; +     } A  the     inch. Close (); +      out. Close (); -     return 0; $}

Usaco Section1.2 palindromic squares Problem Solving Report