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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	long a = 42556;
  7. 	long num;
  8. 	num=floor(log10(a))+1; 
  9. 	//cout<<num<<" "<<"\n";  //this will print the number of digits in the number
  10.  
  11. 	cout<<"first num: "<<a/(int)pow(10,num-1)<<"\n";
  12. 	cout<<"last num: "<<a%10<<"\n";
  13. 	return 0;
  14. }
Success #stdin #stdout 0.01s 5288KB
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Standard input is empty
stdout
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first num: 4
last num: 6
https://ideone.com/hOPoxt
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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