Compilare: main.cpp: In function 'int main()': main.cpp:31:19: 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] 31 | for(i=0; i<v.size(); i++) | ~^~~~~~~~~ main.cpp:13:26: warning: variable 'val' set but not used [-Wunused-but-set-variable] 13 | int i,n,retin,nr,k,j,val,c,l; | ^~~ main.cpp:13:30: warning: variable 'c' set but not used [-Wunused-but-set-variable] 13 | int i,n,retin,nr,k,j,val,c,l; | ^ main.cpp:13:32: warning: unused variable 'l' [-Wunused-variable] 13 | int i,n,retin,nr,k,j,val,c,l; | ^ main.cpp:88:19: warning: 'nr' may be used uninitialized in this function [-Wmaybe-uninitialized] 88 | ans[i]=nr; | ~~~~~~^~~ main.cpp:66:31: warning: 'retin' may be used uninitialized in this function [-Wmaybe-uninitialized] 66 | for(i=max(1LL,n-12); i<retin; i++) | ~^~~~~~ main.cpp:45:18: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized] 45 | for(i=j-1; i>=0; i--) | ~^~~~