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  1. int main()
  2. {
  3. int x = 42;
  4. int* p = &x;
  5. int const** q = &p;
  6. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.cpp: In function 'int main()':
prog.cpp:5:19: error: invalid conversion from 'int**' to 'const int**' [-fpermissive]
  int const** q = &p;
                   ^
stdout
Standard output is empty