Compilare: user.cpp: In function ‘void rulare()’: user.cpp:57:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<ctc[i].size(); j++) fprintf(fout, "%d ", ctc[i][j]); ^ user.cpp: In function ‘void DFS1(int)’: user.cpp:66:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<la[k].size(); i++) ^ user.cpp: In function ‘void DFS2(int)’: user.cpp:79:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<lat[k].size(); i++) ^ user.cpp: In function ‘void citire()’: user.cpp:30:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &n, &m); ^ user.cpp:33:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &a, &b); ^