Compilare: main.cpp: In function 'void afis()': main.cpp:64:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<pct[i].size();j++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void creare_graf()': main.cpp:78:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<pct[j].size();k++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void afis2()': main.cpp:93:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[i].size();j++) ~^~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:104:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void cerinta1()': main.cpp:141:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<pct[j].size()&&ok;k++) ~^~~~~~~~~~~~~~