Compilare: user.cpp: In function ‘void rezolvare1()’: user.cpp:43:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(valid(x+dx[i],y+dy[i]) && drum[x+dx[i]][y+dy[i]]==-1) ^ user.cpp: In function ‘int rezolvare2()’: user.cpp:99:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void citire()’: user.cpp:25:17: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int j; j<=n; j++) ^