请补充完成下列程序:如图所示,上电复位后P 0 口所连接的一个共阳极数码管循环显示数字0-9 #include void delay() { unsigned int i; for(i=0;i<10000;i++); } void main() { unsigned char led[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; unsigned char k; while(1) { for(k=0;k<10;k++) { P0=________; __________; } } }