Compilare: main.cpp: In function 'void Read()': main.cpp:29:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<strlen(s)) ~^~~~~~~~~~ main.cpp: In function 'bool Match(int)': main.cpp:42:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<graph[node].size(); ++i) ~^~~~~~~~~~~~~~~~~~~ main.cpp:53:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<graph[node].size(); ++i) ~^~~~~~~~~~~~~~~~~~~