Compilare: user.cpp: In function ‘void Read()’: user.cpp:17:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘int binSearch(int)’: user.cpp:25:30: warning: variable ‘sol’ set but not used [-Wunused-but-set-variable] int left=1,right=ind,mid,sol=-1; ^ user.cpp:37:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void Solve()’: user.cpp:40:9: warning: unused variable ‘i’ [-Wunused-variable] int i,result=0; ^