Compilare: user.c: In function ‘main’: user.c:6:9: warning: format ‘%ld’ expects argument of type ‘long int *’, but argument 2 has type ‘int *’ [-Wformat=] scanf("%ld%ld",&a[i],&b[i]); ^ user.c:6:9: warning: format ‘%ld’ expects argument of type ‘long int *’, but argument 3 has type ‘int *’ [-Wformat=] user.c:4:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("triplete.in","r",stdin),freopen("triplete.out","w",stdout),scanf("%d%d",&n,&m); ^ user.c:4:45: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("triplete.in","r",stdin),freopen("triplete.out","w",stdout),scanf("%d%d",&n,&m); ^ user.c:4:78: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] freopen("triplete.in","r",stdin),freopen("triplete.out","w",stdout),scanf("%d%d",&n,&m); ^ user.c:6:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld%ld",&a[i],&b[i]); ^