Compilare: user.cpp: In function ‘void kosaraju(int)’: user.cpp:14:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<v[nod].size(); i++) ^ user.cpp:13:9: warning: unused variable ‘t’ [-Wunused-variable] int t=1; ^ user.cpp: In function ‘void rev_kos(int)’: user.cpp:22:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<rev[nod].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:90:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<Sol[i].size();j++) ^ user.cpp:85:9: warning: unused variable ‘ok’ [-Wunused-variable] int ok=1; ^ user.cpp: In function ‘void cit(int&)’: user.cpp:36:35: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,LIM,fila); ^ user.cpp:47:35: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,LIM,fila); ^