Compilare: main.cpp: In function 'void umplere(int)': main.cpp:4:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define rep(i,a,b) for(int i = a;i <b;++i) main.cpp:32:9: rep(i, 0, v[nod].size()) ~~~~~~~~~~~~~~~~~~~ main.cpp:32:5: note: in expansion of macro 'rep' rep(i, 0, v[nod].size()) ^~~ main.cpp: In function 'void dfs(int, int)': main.cpp:4:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define rep(i,a,b) for(int i = a;i <b;++i) main.cpp:46:9: rep(i, 0, v[nod].size()) ~~~~~~~~~~~~~~~~~~~ main.cpp:46:5: note: in expansion of macro 'rep' rep(i, 0, v[nod].size()) ^~~ main.cpp:4:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define rep(i,a,b) for(int i = a;i <b;++i) main.cpp:71:17: rep(j, 0, col3.size()) ~~~~~~~~~~~~~~~~~ main.cpp:71:13: note: in expansion of macro 'rep' rep(j, 0, col3.size()) ^~~