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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main() {
  6.     string s = "0xfffefffe";
  7.     unsigned int x = stoul(s, nullptr, 16);
  8.  
  9.     cout<< x << endl;
  10.  
  11. 	return 0;
  12. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function 'int main()':
prog.cpp:7:31: error: 'nullptr' was not declared in this scope
     unsigned int x = stoul(s, nullptr, 16);
                               ^
prog.cpp:7:42: error: 'stoul' was not declared in this scope
     unsigned int x = stoul(s, nullptr, 16);
                                          ^
stdout
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Standard output is empty
https://ideone.com/fedFfj
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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