Compilare: user.c: In function ‘main’: user.c:40:32: warning: integer overflow in expression [-Woverflow] unsigned int rez = (INF - 1) * 2 + 1; ^ user.c:11:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &n, &p); ^ user.c:14:13: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &per[i][j]); ^ user.c:17:13: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &cost[i][j]); ^