Compilare: main.c: In function 'main': main.c:14:17: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[2000]' [-Wformat=] scanf("%s",&u[i]); ^ main.c:5:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("binar.in","r",stdin); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("binar.out","w",stdout); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:9:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^~~~~~~~~~~~~~~~~~~ main.c:14:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&u[i]); ^~~~~~~~~~~~~~~~~