Compilare: user.cpp: In function ‘void spiral(int (*)[101], int, int)’: user.cpp:42:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (direction == 0) ^ user.cpp:49:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (direction == 1) ^ user.cpp:56:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (direction == 2) ^ user.cpp:63:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (direction == 3) ^ user.cpp:39:19: warning: array subscript is above array bounds [-Warray-bounds] v[i][2] = y; ^