Compilare: main.cpp: In function 'void solve()': main.cpp:24:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for (int i = 0; i < divs.size(); ++i) { | ~~^~~~~~~~~~~~~ main.cpp:30:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (int i = 1; i < divs.size(); ++i) { | ~~^~~~~~~~~~~~~ main.cpp:40:9: warning: unused variable 'it' [-Wunused-variable] 40 | int it =0, from = 1;; | ^~