Compilare: main.cpp: In function 'void bubble(int, int, int)': main.cpp:15:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=start;i<stop&&i<v.size()-1;i++) ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:59:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<poz.size();j++) fout<<poz[j]<<" "; ~^~~~~~~~~~~