Compilare: main.cpp: In function 'void solve(std::ifstream&, std::ofstream&)': main.cpp:47:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 47 | while (S1.size() < target_size && i < others.size()) { | ~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:47:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | while (S1.size() < target_size && i < others.size()) { | ~~^~~~~~~~~~~~~~~ main.cpp:51:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for (int j = 0; j < S1.size(); ++j) { | ~~^~~~~~~~~~~ main.cpp:52:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | out << S1[j] << (j == S1.size() - 1 ? "" : " "); | ~~^~~~~~~~~~~~~~~~