Compilare: user.cpp: In function ‘void Kosaraju(int)’: user.cpp:124:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<CT[ctc].size();i++) ^ user.cpp: In function ‘void buildGG(int)’: user.cpp:143:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < CT[ctc].size(); i++) ^ user.cpp:154:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < CT[ctc].size(); k++) ^ user.cpp:157:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < G[i].size(); j++) ^ user.cpp: In function ‘void buildGG()’: user.cpp:179:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < G[i].size(); j++) ^ user.cpp: In function ‘void bellmanFord(int)’: user.cpp:224:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GG[node].size(); i++) ^ user.cpp:245:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GT[node].size(); i++) ^ user.cpp:211:9: warning: unused variable ‘init’ [-Wunused-variable] int init = node; ^ user.cpp: In function ‘void Delete(int)’: user.cpp:261:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GT[node].size(); i++) ^ user.cpp:273:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GG[node].size(); i++) ^