Compilare: user.cpp: In function ‘int main()’: user.cpp:13:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(s);i++) ^ user.cpp:18:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size();i++) ^ user.cpp:27:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size()&&ok;i++) ^ user.cpp:32:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size();i++) ^ user.cpp:37:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size();i++) ^ user.cpp:42:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size();i++) ^ user.cpp:50:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<dist[poz].size();i++) ^