Compilare: user.cpp: In function ‘void DFP(int)’: user.cpp:28:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i++) ^ user.cpp: In function ‘void DFM(int)’: user.cpp:42:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GT[node].size(); i++) ^ user.cpp: In function ‘void buildGG()’: user.cpp:71:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < G[i].size(); j++) ^ user.cpp: In function ‘void DFS(int)’: user.cpp:94:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GG[node].size(); i++) ^ user.cpp: In function ‘void DFS2(int)’: user.cpp:108:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GGT[node].size(); i++) ^ user.cpp: In function ‘void precalcToFrom()’: user.cpp:126:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < GG[O[i]].size(); j++) ^ user.cpp:148:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < GGT[O[i]].size(); j++) ^ user.cpp: In function ‘void findSol()’: user.cpp:168:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < CTC[i].size(); j++) ^ user.cpp:174:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Sol.size(); i++) ^