Eroare de compilare: user.c: In function ‘main’: user.c:55:2: error: ‘fout’ undeclared (first use in this function) fout = fopen("heapuri.out", "w"); ^ user.c:55:2: note: each undeclared identifier is reported only once for each function it appears in user.c:54:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d\n", &n); ^ user.c:64:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d ", &type); ^ user.c:66:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d\n", &val); ^ user.c:70:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d\n", &val); ^