Compilare: main.cpp: In function 'int main()': main.cpp:152:9: warning: unused variable 'sr1' [-Wunused-variable] int sr1, sr2; ^~~ main.cpp:152:14: warning: unused variable 'sr2' [-Wunused-variable] int sr1, sr2; ^~~ main.cpp:154:9: warning: variable 'okr1' set but not used [-Wunused-but-set-variable] int okr1, okr2; ^~~~ main.cpp:154:15: warning: variable 'okr2' set but not used [-Wunused-but-set-variable] int okr1, okr2; ^~~~ main.cpp: In function 'int leer(int, int, int, int, int, int, int, int)': main.cpp:86:1: warning: control reaches end of non-void function [-Wreturn-type] } ^