Compilare: main.cpp: In function 'long long int query(long long int)': main.cpp:23:25: warning: unused variable 'p' [-Wunused-variable] int st , dr , mid , p , i; ^ main.cpp:23:29: warning: unused variable 'i' [-Wunused-variable] int st , dr , mid , p , i; ^ main.cpp:24:15: warning: unused variable 'nr' [-Wunused-variable] long long nr , sol; ^~ main.cpp: In function 'int main()': main.cpp:90:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&q); ^ main.cpp:92:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%lld%lld",&x,&y); ^