Eroare de compilare: user.cpp: In function 'long int cmmdc(long int, long int, long int)': user.cpp:7: error: expected ';' before '}' token user.cpp: At global scope: user.cpp:9: error: '::main' must return 'int' user.cpp: In function 'int main()': user.cpp:13: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:13: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' user.cpp:17: warning: format '%d' expects type 'int', but argument 2 has type 'long int'