以下程序会打印出什么?
#include <stdio.h> int main (void) { int n, m; n = 30; while (++n <= 33) printfb ("%dl", n); n = 30; do printf (%dl", n); while (++n <= 33); printf ("\n***\n"); for (n =1; n*n < 200; n +=4) printf ("%d\n", n); printf ("\n***\n"); for (n = 5; n > 0; n--) { for (m = 0; m <= n; m++) printf ("="); printf ("\n"); } return 0; }