Compilare: main.cpp: In function 'void Join(int, int)': main.cpp:39:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(p1 < v[p].size() || p2 < v[q].size()) ~~~^~~~~~~~~~~~~ main.cpp:39:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(p1 < v[p].size() || p2 < v[q].size()) ~~~^~~~~~~~~~~~~ main.cpp:43:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(p1 == v[p].size()) ~~~^~~~~~~~~~~~~~ main.cpp:48:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(p2 == v[q].size()) ~~~^~~~~~~~~~~~~~