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  1. #include <iostream>
  2. #include <cassert>
  3. using namespace std;
  4.  
  5. int digit(char c) {
  6.     assert(c >= '0' && c <= '9');
  7. 	return c-'0';
  8. }
  9.  
  10. char digit(int val) {
  11. 	assert(val >= 0 && val <= 9);
  12. 	return val+'0';
  13. }
  14.  
  15. int main() {
  16. 	auto num = 54321234590;
  17. 	auto str = to_string(num);
  18.  
  19. 	for(char c: str) {
  20. 		cout
  21. 			<< "char: " << c << endl
  22. 			<< "int: " << (int)c << endl
  23. 			<< "digit(int):" << digit(c) << endl;
  24. 	} 
  25. 	return 0;
  26. }
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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char: 5
int: 53
digit(int):5
char: 4
int: 52
digit(int):4
char: 3
int: 51
digit(int):3
char: 2
int: 50
digit(int):2
char: 1
int: 49
digit(int):1
char: 2
int: 50
digit(int):2
char: 3
int: 51
digit(int):3
char: 4
int: 52
digit(int):4
char: 5
int: 53
digit(int):5
char: 9
int: 57
digit(int):9
char: 0
int: 48
digit(int):0
https://ideone.com/0vHGOe
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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