Compilare: user.cpp: In function ‘int Search(int, int)’: user.cpp:28:19: warning: unused variable ‘mid’ [-Wunused-variable] int lw=1,hi=Size,mid; ^ user.cpp: In function ‘int main()’: user.cpp:68:24: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(OUT,"%d",Ans/2); ^ user.cpp:52:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d",&N); ^ user.cpp:55:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%s%s",City,State); ^