Compilare: main.cpp: In function 'void dfs(int)': main.cpp:37:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<v[nod].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void dfst(int)': main.cpp:49:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<vt[nod].size(); i++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfs_grafNou(int)': main.cpp:77:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0; k<gr[nod].size(); k++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfst_grafNou(int)': main.cpp:89:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0; k<grt[nod].size(); k++) ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void fa_graful_componentelor()': main.cpp:99:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(l=0; l<ctc[i].size(); l++) ~^~~~~~~~~~~~~~ main.cpp:104:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0; k<ctc[j].size(); k++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void afis_grafNou()': main.cpp:123:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<gr[i].size(); j++) ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:137:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<t.size(); i++) ~^~~~~~~~~