Compilare: main.cpp: In function 'int minSeqLength(std::vector<int>&, int)': main.cpp:8:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 8 | for (int end = 0; end < arr.size(); end++) { | ~~~~^~~~~~~~~~~~