Compilare: main.cpp: In function 'int main()': main.cpp:22:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<intra[i].size();j++) ~^~~~~~~~~~~~~~~~ main.cpp:24:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(h=0;h<iese[i].size();h++){ ~^~~~~~~~~~~~~~~