Compilare: user.cpp: In function ‘int dfs(int)’: user.cpp:23:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[cpz][0]) ^ user.cpp:31:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[cpz][1]) ^ user.cpp:39:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(t[cpz][0]) ^ user.cpp:52:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(t[cpz][1]) ^ user.cpp:92:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[cpz][0]) ^ user.cpp:101:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[cpz][1]) ^ user.cpp:110:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(t[cpz][0]) ^ user.cpp:118:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(t[cpz][1]) ^