Compilare: main.c: In function 'main': main.c:10:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^~~~~~~~~~~~~~~~~~~ main.c:28:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x,&y,&z); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:8:55: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] int **t, n, m, x, y,z, *ut, * latott, *apa, mini, poz; ^~~