fork download
copy 
  1. #include <iostream>
  2. #include<string>
  3. using namespace std;
  4. int isnum(string str)
  5. {
  6.     int a=str[0];
  7.     if(48<=a&&a<=57)
  8.     {
  9.         return 1;
  10.     }
  11.     else 0;
  12. }
  13. int main() {
  14. 	string str;
  15. 	// your code goes herehttps://i...content-available-to-author-only...e.com/accFsT#
  16. 	cin>>str;
  17.  int a=str[0];
  18.  cout<<a<<endl;
  19.  cout<<isnum(str)<<endl;
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 4776KB
comments (?)
stdin
copy 
Raichuy
stdout
copy 
82
1
https://ideone.com/accFsT
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!