蓝桥杯错误记录

今天在做 小蜜蜂index.php/tags-41973.html" >���综合案例的时候，数码管显示，有重影。

#include unsigned char num;unsigned char code Duan[22]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x80,0xc6,0xc0,0x86,0x8e,0xbf,0x7f,0XC1,0X8C,0XC8,0xc3};void shumadong();void suocun(unsigned char n){switch(n){case 4:P2 = (P2 & 0x1f)|0x80;break;case 5:P2 = (P2 & 0x1f)|0xa0;break;case 6:P2 = (P2 & 0x1f)|0xc0;break;case 7:P2 = (P2 & 0x1f)|0xe0;break;}}void shuma(unsigned char wei ,unsigned char shu){suocun(6);P0=0x01