Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:25:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < L[node].size(); i ++) { ^ user.cpp: In function ‘int ciclu(int)’: user.cpp:56:37: 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:75:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(C.size() != R) ^ user.cpp:88:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < L[i].size(); j ++) ^ user.cpp:93:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < L[i].size(); j ++) ^ user.cpp:100:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < C.size() - 1; j ++) ^ user.cpp:127:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < IN.size(); i ++) { ^ user.cpp:128:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0; h < SF.size(); h ++) { ^ user.cpp:132:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < C.size() - 1; j ++) ^ user.cpp: In function ‘int main()’: user.cpp:172:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < T.size(); i ++) { ^ user.cpp:173:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(mx < T[i].size()) ^ user.cpp:177:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < T[poz].size(); j ++) ^ user.cpp:182:9: warning: unused variable ‘i’ [-Wunused-variable] int i = 1; ^ user.cpp:177:29: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int j = 0; j < T[poz].size(); j ++) ^