Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:26:37: 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:57:37: 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:76:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(C.size() != R) ^ user.cpp:89:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < L[i].size(); j ++) ^ user.cpp:94:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < L[i].size(); j ++) ^ user.cpp:102:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < C.size() - 1; j ++) ^ user.cpp:130:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < IN.size(); i ++) { ^ user.cpp:131:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0; h < SF.size(); h ++) { ^ user.cpp:135:47: 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:175:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < T.size(); i ++) { ^ user.cpp:176:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(mx < T[i].size()) ^ user.cpp:180:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < T[poz].size(); j ++) ^ user.cpp:185:9: warning: unused variable ‘i’ [-Wunused-variable] int i = 1; ^ user.cpp:180:29: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int j = 0; j < T[poz].size(); j ++) ^