Compilare: user.cpp: In function ‘int main()’: user.cpp:25:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i<s.length(); i++) ^ user.cpp:73:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j<v[i].size(); j++) ^ user.cpp:78:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i<srt.size(); i++) ^ user.cpp:80:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j<v[srt[i].poz].size(); j++) ^ user.cpp:83:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j<v[srt[i].poz].size()-1) ^