Compilare: user.cpp: In function ‘int expresie()’: user.cpp:23:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int rotunda()’: user.cpp:51:25: warning: variable ‘indn’ set but not used [-Wunused-but-set-variable] int maxx=0, i, sc, nr, indn, insfn, ind, indmax, insfmax, smax; ^ user.cpp:51:31: warning: variable ‘insfn’ set but not used [-Wunused-but-set-variable] int maxx=0, i, sc, nr, indn, insfn, ind, indmax, insfmax, smax; ^ user.cpp:51:43: warning: variable ‘indmax’ set but not used [-Wunused-but-set-variable] int maxx=0, i, sc, nr, indn, insfn, ind, indmax, insfmax, smax; ^ user.cpp:51:51: warning: variable ‘insfmax’ set but not used [-Wunused-but-set-variable] int maxx=0, i, sc, nr, indn, insfn, ind, indmax, insfmax, smax; ^ user.cpp:70:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:90:9: warning: unused variable ‘num’ [-Wunused-variable] int num, nr, i; ^ user.cpp:90:14: warning: unused variable ‘nr’ [-Wunused-variable] int num, nr, i; ^ user.cpp:91:10: warning: unused variable ‘c’ [-Wunused-variable] char c; ^ user.cpp:92:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s, 100003, fin); ^