Compilare: main.cpp: In function 'int main()': main.cpp:31:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[i].size();++j) ~^~~~~~~~~~~~ main.cpp:111:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(det<k[ind] and poz<v[i+add].size()) ~~~^~~~~~~~~~~~~~~~ main.cpp:134:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ind[1]==v[l[1]].size()) ~~~~~~^~~~~~~~~~~~~~~~ main.cpp:136:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(ind[2]==v[l[2]].size()) ~~~~~~^~~~~~~~~~~~~~~~