Compilare: main.cpp: In function 'void constructNewNo()': main.cpp:17:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=G.size()-n;i<G.size();i++) ~^~~~~~~~~ main.cpp: In function 'void add(int)': main.cpp:37:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(;stpnt<G.size()&&ok;stpnt++) ~~~~~^~~~~~~~~ main.cpp:40:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j+stpnt<G.size();j++) ~~~~~~~^~~~~~~~~ main.cpp:24:9: warning: unused variable 'k' [-Wunused-variable] int k=0; ^ main.cpp: In function 'int main()': main.cpp:62:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<G.size();i++) ~^~~~~~~~~