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  1. #include <iostream>
  2. #include <algorithm>
  3.  
  4. bool is_1(int i){
  5. 	return i == 1;
  6. }
  7.  
  8. int main() {
  9. 	int ia[] = {13,2, 42, 32, 1, 4, 1};
  10.  
  11. 	auto pos = std::find_if(std::begin(ia), std::end(ia), is_1);
  12.  
  13. 	if (pos == std::end(ia)){
  14. 		std::cout << "Failed to find a 1\n";
  15. 	}
  16. 	else{
  17. 		std::cout << "Found a 1 at position " << (pos - std::begin(ia)) << '\n';
  18. 	}
  19. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
Standard input is empty
stdout 
Found a 1 at position 4
https://ideone.com/6HlDIU
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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