Compilare: main.cpp: In function 'void solve()': main.cpp:76:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<x.size(); i++) ~^~~~~~~~~ main.cpp:77:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i+1; j<x.size(); j++) ~^~~~~~~~~ main.cpp:92:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<biComp.size(); i++) ~^~~~~~~~~~~~~~ main.cpp:96:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<biComp.size(); i++){ ~^~~~~~~~~~~~~~