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  1. #include<iostream>
  2. #include<cstdio>
  3. #include<cmath>
  4. using namespace std;
  5. int main()
  6. {
  7.     unsigned int num,l,i;
  8.     cin>>num;
  9.     l=log10(num)+1;
  10.     char ans[l+1];
  11.     i=l-1;
  12.     while(num>0 && i>=0)
  13.     {
  14.         ans[i--]=(char)(num%10+48);
  15.         num/=10;
  16.     }
  17.     ans[l]='\0';
  18.     cout<<ans<<endl;
  19.     return 0;
  20. }
Success #stdin #stdout 0s 2688KB
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https://ideone.com/AzPe7O
language:
C++ 4.3.2 (gcc-4.3.2)
created:
10 years ago
visibility:
secret

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