Compilare: user.cpp: In function ‘void Fill(int, int, int)’: user.cpp:28:14: warning: unused variable ‘ok’ [-Wunused-variable] {int i,lv,cv,ok=0; ^ user.cpp: In function ‘void Solve()’: user.cpp:113:18: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] {if(b[lv][cv]==2) ^ user.cpp:118:18: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(b[lv][cv]==1) ^