Compilare: user.cpp: In function ‘int main()’: user.cpp:55:30: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(a = walk(node, 0, d, 0)) sol[nrSol++] = a; ^ user.cpp:56:30: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(b = walk(node, 1, d, 0)) sol[nrSol++] = b; ^ user.cpp:66:30: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(a = walk(node, 0, 0, 1)) sol[nrSol++] = a; ^ user.cpp:67:30: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(b = walk(node, 1, 0, 1)) sol[nrSol++] = b; ^ user.cpp: In function ‘int walk(int, int, int, bool)’: user.cpp:149:18: warning: variable ‘newDir’ set but not used [-Wunused-but-set-variable] int last, next, newDir; ^