Compilare: user.c: In function ‘main’: user.c:21:26: warning: unused variable ‘l’ [-Wunused-variable] int n,m,p,majnr,maxl,l,i,elmaj,nrapp,j,k; ^ user.c:22:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("livada.in","r",stdin); ^ user.c:23:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("livada.out","w",stdout); ^ user.c:24:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&m,&n,&p); ^