Compilare: main.cpp: In function 'int main()': main.cpp:62:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<cc.size()/2;j++) ~^~~~~~~~~~~~ main.cpp:81:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(cc[j]<=n && j<cc.size()) ~^~~~~~~~~~ main.cpp:83:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j<cc.size()) ~^~~~~~~~~~ main.cpp:87:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(r<cc.size()) ~^~~~~~~~~~ main.cpp:105:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(l<cc.size()) ~^~~~~~~~~~