Compilare: user.cpp: In function ‘int numerotare(int, int)’: user.cpp:30:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int det_max(int, int, int&)’: user.cpp:47:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void eliminare(int, int)’: user.cpp:52:11: warning: unused variable ‘is’ [-Wunused-variable] char is=a[i][j]; ^ user.cpp: In function ‘int main()’: user.cpp:82:27: warning: unused variable ‘maxx’ [-Wunused-variable] int i,j,max=0,count=0,maxx=0; ^ user.cpp:83:10: warning: unused variable ‘is’ [-Wunused-variable] char is; ^