Compilare: user.cpp: In function ‘int setX(int, int, int, int, int, int)’: user.cpp:10:31: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(k!=k2 || l!=l2 || c!=c2 && x[k][l][c]!=-1){ ^ user.cpp:20:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:34:33: warning: unused variable ‘min’ [-Wunused-variable] int n,m,k1,l1,c1,k2,l2,c2,i,k,l,min,c,j;//up,down,right,left,forward,backward; ^