Bi static char a[l=hello, world! printf( %sn%15sn%10. 5sn%02.5sn%.3sn, a, a, a, a, a 运行结果:Hel,word! Hello world! Hello Hello Hel例 static char a[]=“Hello,world!” printf(“%s\n%15s\n%10.5s\n%2.5s\n%.3s\n”,a,a,a,a,a); 运行结果：Hello,world! Hello,world! Hello Hello Hel