Compilare: main.cpp: In member function 'void AIB::add(ll, ll)': main.cpp:173:12: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 173 | for(; p<v.size(); p+=lsb(p))v[p]+=val; | ~^~~~~~~~~ main.cpp: In function 'void precalcfact()': main.cpp:362:8: warning: unused variable 'j' [-Wunused-variable] 362 | ll i,j; | ^ main.cpp: In function 'void solve(ll)': main.cpp:395:8: warning: unused variable 'm' [-Wunused-variable] 395 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:395:10: warning: unused variable 'i' [-Wunused-variable] 395 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:395:12: warning: unused variable 'j' [-Wunused-variable] 395 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:395:14: warning: unused variable 'k' [-Wunused-variable] 395 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:395:16: warning: unused variable 'l' [-Wunused-variable] 395 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:395:18: warning: unused variable 'p' [-Wunused-variable] 395 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:395:24: warning: unused variable 'z' [-Wunused-variable] 395 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:395:26: warning: unused variable 't' [-Wunused-variable] 395 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp: In instantiation of 'RMQ<T, C>::RMQ(std::vector<_Tp>&) [with T = long long int; C = std::less<long long int>]': main.cpp:399:17: required from here main.cpp:141:15: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 141 | for(i=0; i<v.size(); i++) | ~^~~~~~~~~