Compilare: main.cpp: In function 'int ReadInt0()': main.cpp:33:13: warning: unused variable 'Minus' [-Wunused-variable] int n=0,Minus=0; /// init nr=0, nr pozitiv ^~~~~ main.cpp: In function 'bool cmp(Pos, Pos)': main.cpp:48:25: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(a.x>b.x || a.x==b.x && a.y>b.y)return 0; ~~~~~~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:57:17: warning: unused variable 'M' [-Wunused-variable] unsigned short M[5001][2],dC[]={'N','E','S','V'}; ^ main.cpp:58:21: warning: unused variable 'b' [-Wunused-variable] int i,j,k,kk,n,m,a,b,x,y,dM[]={-1,0,1,0}; ^ main.cpp:58:23: warning: unused variable 'x' [-Wunused-variable] int i,j,k,kk,n,m,a,b,x,y,dM[]={-1,0,1,0}; ^ main.cpp:58:25: warning: unused variable 'y' [-Wunused-variable] int i,j,k,kk,n,m,a,b,x,y,dM[]={-1,0,1,0}; ^ main.cpp:59:10: warning: unused variable 'C' [-Wunused-variable] char ch,C[10002]; ^