Compilare: main.cpp: In function 'int main()': main.cpp:74:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<sequence>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for (int i = 0; i < freq.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:90:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<sequence>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | max_seq_index > 1 && max_seq_index < freq.size() | ~~~~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:124:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<sequence>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 124 | for (int i = 0; i < freq.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:129:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<sequence>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 129 | for (int i = 0; i < freq.size(); i++) | ~~^~~~~~~~~~~~~