Compilare: user.cpp: In function ‘int main()’: user.cpp:33:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < word.size(); i++) ^ user.cpp:38:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < n; i++) ^ user.cpp:41:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = n; i < text.size(); i++) { ^