Compilare: main.cpp: In function 'void fill(int (*)[104], int, int, int&)': main.cpp:11:9: warning: unused variable 'i' [-Wunused-variable] int i,j,st=0,dr=0,vc[4]={0,1,0,-1},vl[4]={1,0,-1,0}; ^ main.cpp:11:11: warning: unused variable 'j' [-Wunused-variable] int i,j,st=0,dr=0,vc[4]={0,1,0,-1},vl[4]={1,0,-1,0}; ^ main.cpp: In function 'int main()': main.cpp:172:15: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<max-min<<endl; ^~~ main.cpp:172:15: warning: 'min' may be used uninitialized in this function [-Wmaybe-uninitialized]