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  1. #include <iostream>
  2. #include <stdlib.h>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7. 	const char* s = "-4";
  8. 	unsigned value = -1;
  9. 	cout << "value before:" << value << endl;
  10. 	int res = sscanf(s, "%u", &value);
  11. 	cout << "value after:" << value << endl;
  12. 	cout << "res:" << res << endl;
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 16064KB
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stdin
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Standard input is empty
stdout
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value before:4294967295
value after:4294967292
res:1
https://ideone.com/nNBkqN
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
secret

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