Compilare: user.cpp: In function ‘int DFS(int)’: user.cpp:49:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘void Afisare()’: user.cpp:109:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘void Citire()’: user.cpp:29:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &n, &m); ^ user.cpp:32:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d%d", &x, &y, &b); ^ user.cpp:39:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &intrare[i]); ^ user.cpp:42:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &nf[i]); ^