...将字母W,X,Y,Z分别用不同的0,1编码进行表示答:// code_wxyz 编码表w=0x00,x=0x01,y=0x02,z=0x03 unsigned char code_wxyz[4] = {0x00,0x01,0x02,0x03};len = strlen(a);// 替换wxyz 到 0,1,2,3 放在b[i]里 for (i=0;i<len;i++){ sscanf(a+i,"%c", &code);b[i] = code - 'W';printf("%d",b[i]);...