Compilare: main.cpp: In function 'int main()': main.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < pattern.size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp:41:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j == pattern.length()) ~~^~~~~~~~~~~~~~~~~~~ main.cpp:59:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0; i < printedIndex; i++) ~~^~~~~~~~~~~~~~