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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. cout << abc;
  6.  
  7. return 0;
  8. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.cpp: In function ‘int main()’:
prog.cpp:5:10: error: ‘abc’ was not declared in this scope
  cout << abc;
          ^~~
prog.cpp:5:10: note: suggested alternative: ‘abs’
  cout << abc;
          ^~~
          abs
stdout
Standard output is empty