Compilare: main.cpp: In function 'void Read()': main.cpp:25:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < s.size(); ++j) ~~^~~~~~~~~~ main.cpp: In function 'std::__cxx11::string T1()': main.cpp:38:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (str[i].size() > bSz) ~~~~~~~~~~~~~~^~~~~ main.cpp:43:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (str[i].size() == bSz && str[i] < bSt) ~~~~~~~~~~~~~~^~~~~~ main.cpp: In function 'bool Check(const string&, const string&, const int&, const int&)': main.cpp:55:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < b.size(); ++i) ~~^~~~~~~~~~ main.cpp:61:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (c == a.size()) ~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:105:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < intr.size(); ++i) ~~^~~~~~~~~~~~~