Compilare: user.cpp: In function ‘int main()’: user.cpp:74:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < v.size(); j++) { ^ user.cpp:77:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j+1 < v.size() && v[j+1].first >= p.second) { ^ user.cpp:89:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < fin.size(); j++) { ^