Compilare: user.cpp: In function ‘int main()’: user.cpp:62:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[i].size();j++) ^ user.cpp:69:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[DC].size();i++) ^ user.cpp:75:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[DC].size();i++) ^ user.cpp:83:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;i-d>=0 && j<v[i-d].size();j++) ^ user.cpp:89:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[i].size();j++) ^ user.cpp:95:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[i].size();j++) ^