Compilare: main.cpp: In function 'int Solve_expr()': main.cpp:59:9: warning: unused variable 'nrp' [-Wunused-variable] int nrp=a.nrv; ^~~ main.cpp:61:9: warning: unused variable 'df' [-Wunused-variable] int df=functii[nrfnc].length()-1; ^~ main.cpp: In function 'int rezolva_strat()': main.cpp:136:9: warning: unused variable 'prod' [-Wunused-variable] int prod=1; ^~~~ main.cpp:141:9: warning: unused variable 'vrf' [-Wunused-variable] int vrf=0; ^~~ main.cpp: In function 'void rez()': main.cpp:192:13: warning: unused variable 'df' [-Wunused-variable] int df=functii[i][0]; ^~