Compilare: user.cpp: In function ‘void solve()’: user.cpp:31:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < text.size(); i++){ ^ user.cpp:41:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < text.size(); i++) ^ user.cpp:30:14: warning: unused variable ‘length’ [-Wunused-variable] int q = -1, length = word.size(); ^ user.cpp: In function ‘void print()’: user.cpp:49:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < text.size(); i++){ ^ user.cpp:56:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < text.size(); i++){ ^ user.cpp: In function ‘int main()’: user.cpp:70:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < word.size(); i++){ ^