fork download
copy 
  1. #include <iostream>
  2. #include <sstream>
  3. using namespace std;
  4.  
  5. static int test(const char *p) {
  6. 	istringstream iss(p);
  7. 	int argument;
  8. 	char more;
  9. 	if(iss >> argument) {
  10. 		if(iss >> more) {
  11. 			cerr<< p << ": arguments must be integer" << endl;
  12. 			return -1;
  13. 		} else {
  14. 			cout << p << " parsed as integer" << endl;
  15. 			return 0;
  16. 		}
  17. 	} else {
  18. 		cerr<< p << ": arguments must be integer" << endl;
  19. 		return -1;
  20. 	}
  21. }
  22.  
  23. int main() {
  24. 	char inp[128];
  25. 	while(cin >> inp) {
  26. 		test(inp);
  27. 	}
  28. 	return 0;
  29. }
Success #stdin #stdout #stderr 0s 4548KB
comments (?)
stdin
copy 
-1 aasmsnsak 42 1111111111111111111111111111111111111 -1111111111111111111111111111111111111 12345678 -98765432 42test test42 0 01
stdout
copy 
-1 parsed as integer
42 parsed as integer
12345678 parsed as integer
-98765432 parsed as integer
0 parsed as integer
01 parsed as integer
stderr
copy 
aasmsnsak: arguments must be integer
1111111111111111111111111111111111111: arguments must be integer
-1111111111111111111111111111111111111: arguments must be integer
42test: arguments must be integer
test42: arguments must be integer
https://ideone.com/y0fATW
language:
C++14 (gcc 8.3)
created:
6 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!