Compilare: main.cpp: In function 'void umplere(int)': main.cpp:28:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < drumuri[tata].size(); ++i){ ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:36:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < drumuri[tata].size(); ++i){ ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:74:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = -1 + kk; j < drumuri[i].size(); j += kk ){ ~~^~~~~~~~~~~~~~~~~~~