Compilare: main.c: In function 'main': main.c:14:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &m, &n); ^~~~~~~~~~~~~~~~~~~~~~ main.c:18:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^~~~~~~~~~~~~~~~~~ main.c:22:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &b[j]); ^~~~~~~~~~~~~~~~~~