Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:23:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < L[node].size(); i ++) { ^ user.cpp: In function ‘void fac()’: user.cpp:66:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(C.size() != R) ^ user.cpp:79:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < L[i].size(); j ++) ^ user.cpp:84:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < L[i].size(); j ++) ^ user.cpp:91:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < C.size() - 1; j ++) ^ user.cpp:99:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j != C.size() + 4) { ^ user.cpp:116:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < IN.size(); i ++) { ^ user.cpp:117:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0; h < SF.size(); h ++) { ^ user.cpp:121:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < C.size() - 1; j ++) ^ user.cpp:131:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j != C.size() + 4) { ^ user.cpp: In function ‘int main()’: user.cpp:164:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < T.size(); i ++) { ^ user.cpp:165:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(mx < T[i].size()) ^ user.cpp:169:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < T[poz].size(); j ++) ^ user.cpp:169:29: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int j = 0; j < T[poz].size(); j ++) ^