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  1. void f(){g();}void g(){f();}int main(){f();}
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.cpp: In function ‘void f()’:
prog.cpp:1:12: error: ‘g’ was not declared in this scope
 void f(){g();}void g(){f();}int main(){f();}
            ^
stdout
Standard output is empty