Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:36:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<L[nod].size();i++) { ^ user.cpp: In function ‘void circuit(int, int)’: user.cpp:61:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<L[nod].size()&&!stop;i++) ^ user.cpp: In function ‘int main()’: user.cpp:106:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (R[i].size() > maxim) { ^ user.cpp:112:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<R[pmaxim].size();i++) ^ user.cpp:149:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<L[i].size(); j++) { ^ user.cpp:161:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<L[i].size();j++) ^ user.cpp:167:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<R[i].size();j++) { ^ user.cpp:202:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<L[i].size();j++) ^ user.cpp:208:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<R[i].size();j++) { ^ user.cpp:217:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<SP.size();i++) { ^