Compilare: main.cpp: In function 'void solve()': main.cpp:30:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | if (poz == ans.size() - 1 && ans[poz] < v[i]) | ~~~~^~~~~~~~~~~~~~~~~ main.cpp: At global scope: main.cpp:41:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 41 | main () | ^~~~