Compilare: main.cpp: In function 'void adnod(int, int)': main.cpp:119:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int q=0;q<G[nod[linie+dl[t]][coloana+dc[t]]].size();q++) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:123:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int q=0;q<G[k].size();q++) ~^~~~~~~~~~~~ main.cpp: In function 'int parcurgere(int, int)': main.cpp:148:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<G[ncurent].size();i++) ~^~~~~~~~~~~~~~~~~~ main.cpp:160:1: warning: control reaches end of non-void function [-Wreturn-type] } ^