Compilare: main.cpp: In function 'std::vector<long long int> scmax(std::vector<long long int>&)': main.cpp:12:14: 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] 12 | for(i=1;i<a.size();i++) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:47:14: 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] 47 | for(i=0;i<rez.size();i++)cout<<v[rez[i]]<<' '; | ~^~~~~~~~~~~ main.cpp:41:12: warning: unused variable 'j' [-Wunused-variable] 41 | ll n,i,j; | ^ main.cpp: In function 'std::vector<long long int> scmax(std::vector<long long int>&)': main.cpp:26:19: warning: 'rez' may be used uninitialized [-Wmaybe-uninitialized] 26 | bck[i]=rez+1; | ~~~^~ main.cpp:11:20: note: 'rez' was declared here 11 | ll i,st,dr,mid,rez; | ^~~