Compilare: user.cpp: In function ‘int main()’: user.cpp:84:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[i].size();j++) ^ user.cpp:91:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[DC].size();i++) ^ user.cpp:97:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[DC].size();i++) ^ user.cpp:105:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;i-d>=0 && j<v[i-d].size();j++) ^ user.cpp:111:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[i].size();j++) ^ user.cpp:117:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[i].size();j++) ^