Compilare: user.c: In function ‘cueri’: user.c:34:11: warning: ‘return’ with no value, in function returning non-void [enabled by default] return; ^ user.c: In function ‘main’: user.c:47:20: warning: unused variable ‘j’ [-Wunused-variable] int v[MAX], i, j, x, n, m, mod, y; ^ user.c:52:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&m); ^ user.c:54:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^ user.c:60:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&mod,&x,&y); ^