Compilare: main.cpp: In function 'int main()': main.cpp:121:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<lista[i].size();j++) ~^~~~~~~~~~~~~~~~ main.cpp:112:13: warning: 'rasp' may be used uninitialized in this function [-Wmaybe-uninitialized] q[i]=rasp; ~~~~^~~~~ main.cpp:84:13: warning: 'rasp' may be used uninitialized in this function [-Wmaybe-uninitialized] b[i]=rasp; ~~~~^~~~~