Compilare: user.cpp: In function ‘int binSearch(int, int, int)’: user.cpp:34:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(left == right) ^ user.cpp: In function ‘int main()’: user.cpp:51:19: warning: unused variable ‘idx’ [-Wunused-variable] int m,i,x,y,z,idx; ^