Compilare: main.cpp: In function 'int solve(const std::vector<std::__cxx11::basic_string<char> >&)': main.cpp:71:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < sortat.size() - 1; k++) ~~^~~~~~~~~~~~~~~~~~~ main.cpp:78:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < sortat.size() - 1; k++) { ~~^~~~~~~~~~~~~~~~~~~ main.cpp:79:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] int vv = (k == sortat.size() - 1 ? n : lcp[k]); ~~^~~~~~~~~~~~~~~~~~~~