例 例inta=1234: float f-123.456 static char c[1=Hello, world printf( %o8d, %o-8dn', a, a) printf(%102f, %0-10. 1fn', f, f printf(%105s, %0-10.3sn,c, c) 运行结果:_1234,1234 _12346,123.5 Hello.hel例 int a=1234; float f=123.456; static char c[]=“Hello,world!”; printf(“%8d,%-8d\n”,a,a); printf(“%10.2f,%-10.1f\n”,f,f); printf(“%10.5s,%-10.3s\n”,c,c); 运行结果： 1234,1234 123.46,123.5 Hello,Hel 例