Compilare: main.cpp: In member function 'void AIB::add(ll, ll)': main.cpp:89:35: 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] 89 | void add(ll p,ll val=1){for(;p<v.size();p+=lsb(p))v[p]+=val;} | ~^~~~~~~~~ main.cpp: In function 'void precalcfact()': main.cpp:181:10: warning: unused variable 'j' [-Wunused-variable] 181 | ll i,j; | ^ main.cpp: In function 'void solve(ll)': main.cpp:247:10: warning: unused variable 'm' [-Wunused-variable] 247 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:247:12: warning: unused variable 'i' [-Wunused-variable] 247 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:247:14: warning: unused variable 'j' [-Wunused-variable] 247 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:247:16: warning: unused variable 'k' [-Wunused-variable] 247 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:247:18: warning: unused variable 'l' [-Wunused-variable] 247 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:247:20: warning: unused variable 'p' [-Wunused-variable] 247 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:247:26: warning: unused variable 'z' [-Wunused-variable] 247 | ll n,m,i,j,k,l,p,x,y,z,t,q; | ^ main.cpp:247:28: warning: unused variable 't' [-Wunused-variable] 247 | 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:251:19: required from here main.cpp:220:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 220 | while((1ll<<lg)<=v.size())lg++; | ~~~~~~~~~^~~~~~~~~~ main.cpp:222:18: 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] 222 | for(i=0;i<v.size();i++) | ~^~~~~~~~~