Compilare: main.cpp: In function 'void suffixArray(std::__cxx11::string&, std::vector<int>&)': main.cpp:22:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<s.size(); i++){ ~^~~~~~~~~ main.cpp:25:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i + 1 == s.size()) suff[i].rank[1] = -1; ~~~~~~^~~~~~~~~~~ main.cpp:31:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=2; j<s.size(); j*=2){ ~^~~~~~~~~ main.cpp:37:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1; i<s.size(); i++){ ~^~~~~~~~~ main.cpp:48:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<s.size(); i++){ ~^~~~~~~~~ main.cpp:50:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (next_index >= s.size()) ~~~~~~~~~~~^~~~~~~~~~~ main.cpp:59:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<s.size(); i++) ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:143:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<s.size(); i++) ~^~~~~~~~~ main.cpp:160:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (; j<=s.size()-query[i].lenght; j++){ ~^~~~~~~~~~~~~~~~~~~~~~~~~~