Compilare: user.c: In function ‘delh’: user.c:47:26: warning: variable ‘cy’ set but not used [-Wunused-but-set-variable] int aux, h, poz, last, cy; ^ user.c: In function ‘bfs’: user.c:69:26: warning: unused variable ‘x’ [-Wunused-variable] int i, poz, nod, a, b, x, cg; ^ user.c: In function ‘main’: user.c:114:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &t); ^ user.c:118:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &n, &m); ^ user.c:126:13: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &x, &y); ^