Compilare: user.c: In function ‘main’: user.c:43:9: warning: format ‘%d’ expects argument of type ‘int *’, but argument 2 has type ‘short unsigned int *’ [-Wformat=] scanf("%d %d\n", &u[i], &v[i]); ^ user.c:43:9: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘short unsigned int *’ [-Wformat=] user.c:45:9: warning: unused variable ‘m1’ [-Wunused-variable] int m1 = m, w; ^ user.c:30:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("saracsaurege.in", "r", stdin); ^ user.c:31:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("saracsaurege.out", "w", stdout); ^ user.c:34:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n", &n, &m); ^ user.c:37:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ", &a[i-1]); ^ user.c:43:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n", &u[i], &v[i]); ^