Compilare: user.cpp: In function ‘void solve_1()’: user.cpp:33:14: warning: suggest parentheses around comparison in operand of ‘|’ [-Wparentheses] if(nr==0|a[nr]>=x) a[++nr]=x; ^ user.cpp: In function ‘int caut_binar(int)’: user.cpp:24:12: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^ user.cpp: In function ‘void solve_1()’: user.cpp:35:31: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] a[caut_binar(x)]=x; ^