Compilare: main.cpp: In function 'int lee(int, int)': main.cpp:11:11: warning: unused variable 'j' [-Wunused-variable] int i,j,xurm,yurm,x,y; ^ main.cpp:33:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:36:11: warning: unused variable 'j' [-Wunused-variable] int i,j; ^