Compilare: main.cpp: In function 'void addToTrie(TrieNode*, const std::string&, int)': main.cpp:16:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | if (index == word.length()) | ~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for (int i = 0; i < sortedWords.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:84:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for (int i = 1; i < sortedWords.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:86:27: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare] 86 | for (int j = 0; j < std::min(sortedWords[i].length(), sortedWords[i - 1].length()); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:103:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | for (int i = 1; i < largestPower.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:115:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 115 | for (int i = 1; i < sparseTable.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:119:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 119 | for (int j = 0; j <= longestCommonPrefixSize.size() - (1 << i); ++j) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~