【第一关】
题目
0101001001100001011100100010000100011010000001110000000011001111100100000111001100000000000000000000110100000000000000000000000000000000000000000000000000000000010110101100110101111010000000001000000000100011000000001010001000000000000000000000000000010000000000010000000000000000000000101001001000001001001110101010000001110110011010110111100101000100000111010011001100000011000000000000000100000000000000000000000001000011010011010101010000001001100110001101000100001100101111100001000101100111011001000001111100000111101000111100010101101111000101000001000111100000100011011111000110100101000111011101101001011101000001001010101001011101101101001010101111000101111101110110010001110111001101000100011011010001001001011100101101111000010111110000101111011001101110111001100110011111110011011100100111100100011100001000011000011000010000100001000011111100001111101110000100100111000011111111110000011011011100001001100001101111000111000000001111000111101000011000111110111110001100000110100100011010000101111001110111010000110100010110000001100000111011000011101000100001100001101001100110010111000011001110100010101000010010000110111011010000010101011100001010011111100101111011011110011001000011111010110110101011100011011001100100010010010010001110101111000111001111100100000110110110000001111001001011110101001011010101000001111011110110000010010110001101010011110111011111010100101111111101101011001000111101010001010101110010110001010111111000110010101010011010101100101111001101010001110010110011000111111010111000101011100011111100001011011001011010101100001100111010000010100101011101100011111000001100001101111101011010010101111100101011010011100000010001101001100010111011000010111000110100110011010111111101100111110110100011110001111001000111010000100100100101000011001000000000011000000000011100000000000000000010010101000000000000000000000000000010111110011001000101010101010011010000011101111110011101110100010000011101001100110000010100000000001000000000000000000000000000000111000001101001011000110010111001100011111111100010010011111110100010010001001100100011110100110111100000000000111100001111011010101111001011001001011110101000111000010100011000010110011101000011010101101011100110001000111000000100110000100100100111000110101010001011011110110011100110010101001100001100111111000000001100110100000101101111110100110010101101011111000110110010111110010011000010101001010100110011010110011001000001101111000100101100101010110100001010001100001001101111010000001100111011001100001000010101x0x1x1x10x0000x1100000110011001111100100111110111010000101111010111001011011110111010001111101101010100001001011110101001000110001001100011100100011110011110000011011100101110111010001110100010010010010000011011000101000111101110111101110111111100001100010100100000010111111011101001110111000010010011111000110010100011000111101010100101111011111001111000000001001010100101010000111110000000101101101110100001111101010110010011100001000000110011110001010110010101101110001011101001000010111110001110100111011000111101010110001011101011001000011001001100101011001001000111111100011010001110100000110001101000110101000000011000000010110111000101100001111011101101011010111100111110101001110010101111101100100111010100010001110011100100110110110111100000100111010000101010100101011111001011011110110000010110000000011101011100100111000111100111110011110001000001100110101001110110100110111010011011011010111110010001100101000011110001100010000001001010110010110110111111111001111010100010101001001110011111000001101000011010100000100100010111110011000000000110100101011100101001010111000000110000111000001011001101001001010011000011011001110010010010000011101011010110101100100101011100100110011010011001001000100011101010111101011000110100000001110010010111010110010110111000001001001111111100010100010011010100100010110000011001110100110100100100011101000000101110110100100111011010000100000101100101011111100000111010101100001100010011101111000011010011000111000001111110100100010100001100000100010011100111010011001001111110100001001111011101011110001101011010001111010011000100110100001101101110010000101001100110110011100001100000001110010000011001100101101010010000111011010111010100111110100000000010011100001101001100100110111000111101100101010001001101010101100100010010101010101001110101000010001001111001010001111110010101101100001110110000000011100011011011011000110101011100111000000100011001011100011110001011010001010100000010101100100011011001100100001000011110101001010101100110001110110110000110100010110101000010110111100010101011100101101010110100110000001101110010000000110100110011101011011111110010000001010011110010011111010011011001101101000000010101010101010110100000101010100110110110111001000000101001110111010000100001001101011101010100010101110011111101110111101110101111011011100100011011100101010100001011110010100101010110000110001011011111011111111101101101010001111000110011101000011100000110100010000001101000011010101111000000000001101000001101001010010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分析
0、1文本，常见方法是写入二进制文件。下面是读取0、1文本并写入文件C语言小程序：
#include<stdio.h>
#include<stdlib.h>
int main()
{
FILE *fin,*fout;
int temp = 0x00;
int ch;
int i = 1;
fin = fopen("problem.txt","r");
fout = fopen("out","wb");
while((ch=fgetc(fin))!=EOF) {
ch -= 48;
temp |= ch;
if(i%8 == 0) {
printf("%02x ",temp);
putc(temp,fout);
temp = 0x00;
}else
temp = temp << 1;
i++;
}
fclose(fout);
fclose(fin);
return 0;
}
得到二进制文件后，使用file命令查看文件格式：
root@bt:~# file out out: RAR archive data, v1d, os: Win32
得到RAR压缩文件包，解压缩：
root@bt:~# unrar e out
UNRAR 3.90 beta 2 freeware Copyright (c) 1993-2009 Alexander Roshal
Extracting from out
1:37s~1:39s
pseudocode:
for ch in password:
if ch.isalpha():
print("tips")
the `print' expression is always executed.
Enter password (will not be echoed) for pic.c:
需要密码才能解压，根据提示密码都是字母，上面还有个时间...
使用hexedit查看文件，在尾部发现
00000870 07 00 68 74 74 70 3A 2F 2F 77 77 77 2E 79 6F 75 ..http://www.you 00000880 74 75 62 65 2E 63 6F 6D 2F 77 61 74 63 68 3F 76 tube.com/watch?v 00000890 3D 48 44 36 6E 71 51 72 4A 78 37 38 0A =HD6nqQrJx78.
需要科学上网才能访问，名为Linux Does What Win Don't(Why Linux is better than Windows)的视频。
根据提示获取1:37s~1:39s演讲内容：linux is secure by design
所以解压密码应该是linuxissecurebydesign
多次尝试解压还是失败......
重新整理思路，发现题目中含有非0、1字符x0x1x1x10x0000x，偏移位置为0x13A
猜想6bit数据被有意删除，于是想着通过枚举填充这些比特位。
于是写了一个小程序，用来修改out文件的偏移为0x13A后的2个字节数据，枚举生成64个RAR文件
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int main()
{
int i,j,n = 0;
unsigned char temp;
unsigned char t1,t2;
FILE *fp, *fpout;
char name[20], buf[20];
char buf_pre[320],buf_post[2000];
fp = fopen("out", "rb");
fread(buf_pre, 0x13A, 1, fp);
fseek(fp, 2, SEEK_CUR);
fread(buf_post, 0x761, 1, fp);
for(i = 0; i < 64; i++)
{
temp = i;
t1 = (temp&32)<<2;
t1 += (temp&16)<<1;
t1 += (temp&8);
t1 += (temp&4)>>1;
t1 += 21;
t2 = (temp&2)<<5;
t2 += (temp&1)<<1;
t2 += 1;
n++;
buf[0]=n/10+48;
buf[1]=n%10+48;
buf[2]=' ';
strcpy(name, buf);
strcat(name, ".rar");
puts(name);
printf("%x %x
", t1, t2);
fpout = fopen(name, "w");
fwrite(buf_pre, 0x13A, 1, fpout);
fputc(t1, fpout);
fputc(t2, fpout);
fwrite(buf_post, 0x761, 1, fpout);
fclose(fpout);
}
fclose(fp);
return 0;
}
得到64个RAR压缩包后，用脚本测试一下结果是否与预想一致
#!/bin/bash for i in `seq -w 64` do r=`hexdump $i.rar | grep -E '^0000130'` echo $r done
显示每个文件偏移为0x130行的数据，与预想一致，接下来要尝试解压。
使用unrar命令，可通过-p参数解压带有密码的文件包。于是通过下面脚本查找正确的压缩数据包。
#!/bin/bash
for i in `seq -w 64`
do
result=`unrar e $i.rar -plinuxissecurebydesign`
echo $result | grep -o -E '[0-9]{1,3}%'
echo "--" $i
done
运行至第12个压缩包时成功解压，得到pic.c文件。
替换一下变量名得到下面程序：
#include <stdio.h>
#define T(x) #x
char* filename=T(iamabaka);
int x[9], y[9];
char buf[1024];
FILE* fp;
char*dispalyXY()
{
for(int i=0,d=0;i<9;++i)
d+=sprintf(buf+d,"(%d,%d)",x[i],y[i]);
return buf;
}
void dispaly(){
filename=dispalyXY();
}
static const char data[]={
0x42,0x4d,0xe2,0x0b,0x00,0x00,0x00,0x00,0x00,0x00,0x3e,0x00,0x00,0x00,0x28,0x00,
0x00,0x00,0x94,0x00,0x00,0x00,0x95,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x00,
0x00,0x00,0xa4,0x0b,0x00,0x00,0x12,0x0b,0x00,0x00,0x12,0x0b,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0x00,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xf0,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xf1,0x1f,0xf0,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xf1,0x1f,0xf0,0x00,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xf1,0x1f,0xf0,0x00,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xf0,0x1f,
0xf0,0x00,0xe3,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xf8,0x3f,0xf0,0x00,0xc1,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xf1,0x1f,0xf0,0x00,0x80,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xf1,0x1f,0xf0,0x00,0x88,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xf1,0x1e,
0x70,0x00,0x88,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xfe,0x10,0x00,0x88,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x88,0xbf,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xf7,0xbf,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xf0,0x00,0x88,0xa0,
0x00,0x00,0x00,0x00,0x78,0x1f,0xff,0xf0,0x3f,0xf0,0x00,0x00,0x3f,0xf8,0x1f,0xfc,
0x00,0x00,0x80,0xa0,0x00,0x00,0x00,0x00,0x7c,0x1f,0xff,0xf0,0x3f,0xf8,0x00,0x00,
0x3f,0xf8,0x1f,0xfc,0x10,0x00,0xc1,0xa0,0x00,0x00,0x00,0x00,0x7c,0x1f,0xff,0xf0,
0x3f,0xf8,0x00,0x00,0x3f,0xf8,0x1f,0xfc,0x10,0x00,0xe3,0xa0,0x00,0x00,0x00,0x00,
0x7c,0x1f,0xff,0xf0,0x3f,0xf8,0x00,0x00,0x3f,0xf8,0x1f,0xfc,0x10,0x00,0xff,0xa0,
0x00,0x00,0x00,0x00,0x3c,0x1f,0xff,0xf0,0x3f,0xf8,0x00,0x00,0x3f,0xf8,0x1f,0xfc,
0x10,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,0x7c,0x1f,0xab,0xff,0xff,0x40,0x3f,0xf8,
0x11,0x57,0xe4,0xa8,0x10,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,0x7f,0xff,0x81,0xff,
0xfe,0x00,0x3f,0xf8,0x00,0x07,0xe0,0x00,0x10,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,
0x7f,0xff,0x83,0xff,0xff,0x00,0x3f,0xf8,0x00,0x03,0xe0,0x00,0x10,0x00,0xff,0xa0,
0xff,0xff,0xff,0xe0,0x7f,0xff,0x81,0xff,0xfe,0x00,0x3f,0xf8,0x00,0x07,0xe0,0x00,
0x10,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,0x7f,0xff,0x83,0xff,0xfe,0x00,0x3f,0xf8,
0x00,0x07,0xe0,0x00,0x10,0x00,0xff,0xa0,0xfd,0x08,0x23,0xe0,0x3f,0xff,0x81,0x5f,
0xd4,0x00,0x3e,0xa8,0x00,0x07,0xe0,0x00,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,
0x7f,0xff,0x80,0x0f,0xc0,0x00,0x3f,0x07,0xe0,0x07,0xe0,0x00,0x10,0x00,0xff,0xa0,
0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x07,0xc0,0x00,0x3f,0x07,0xe0,0x07,0xe0,0x00,
0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x07,0x80,0x00,0x3f,0x07,
0xe0,0x07,0xe0,0x00,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x07,
0x80,0x00,0x3f,0x07,0xe0,0x03,0xe0,0x00,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,
0x7f,0xff,0x80,0x07,0xc0,0x00,0x3f,0x07,0xc0,0x07,0xe0,0x00,0x10,0x00,0xff,0xa0,
0x7c,0x00,0x03,0xe0,0x7f,0xff,0xfc,0x0f,0xfe,0x07,0xff,0x00,0x00,0xf8,0x1f,0x00,
0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0xfc,0x07,0xff,0x07,0xff,0x00,
0x00,0xf8,0x1f,0x00,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0xfc,0x07,
0xfe,0x07,0xff,0x00,0x00,0xf8,0x1f,0x00,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,
0x7f,0xff,0xfc,0x07,0xfe,0x07,0xff,0x00,0x00,0xf8,0x1f,0x00,0x10,0x00,0xff,0xa0,
0xfc,0x00,0x03,0xe0,0x7f,0xff,0xfc,0x07,0xfe,0x07,0xff,0x00,0x00,0xf8,0x1f,0x00,
0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0xfc,0x07,0xfe,0x07,0xfe,0x00,
0x00,0x78,0x1f,0x00,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7c,0x00,0x00,0x00,
0x3e,0x00,0x00,0x00,0x00,0x00,0x1f,0xff,0xf0,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,
0x7c,0x00,0x00,0x00,0x3e,0x00,0x00,0x00,0x00,0x00,0x1f,0xff,0xf0,0x00,0xff,0xa0,
0xfc,0x00,0x03,0xe0,0x7c,0x00,0x00,0x00,0x3e,0x00,0x00,0x00,0x00,0x00,0x1f,0xff,
0xf0,0x00,0xff,0xa0,0x7c,0x00,0x03,0xe0,0x7c,0x00,0x00,0x00,0x3f,0x00,0x00,0x00,
0x00,0x00,0x1f,0xff,0xf0,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7c,0x00,0x00,0x00,
0x3e,0x00,0x00,0x00,0x00,0x00,0x1f,0xff,0xf0,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,
0x7f,0xf0,0x01,0xff,0xc0,0x07,0xc0,0xff,0xff,0x07,0xff,0xff,0xf0,0x00,0xff,0xa0,
0xff,0xff,0xff,0xe0,0x7f,0xf0,0x01,0xff,0x80,0x07,0x80,0xff,0xff,0x07,0xff,0xff,
0xf0,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,0x7f,0xf0,0x03,0xff,0x80,0x07,0xc0,0xff,
0xff,0x07,0xff,0xff,0xf0,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,0x7f,0xf0,0x01,0xff,
0x80,0x07,0xc0,0xff,0xff,0x07,0xff,0xff,0xf0,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,
0x7f,0xf0,0x03,0xff,0x80,0x07,0xc0,0xff,0xff,0x07,0xff,0xff,0xf0,0x00,0xff,0xa0,
0xff,0xfb,0xff,0xe0,0x7f,0xf0,0x7f,0xff,0xee,0xdf,0xc0,0xff,0xff,0x07,0xff,0xff,
0xf0,0x00,0xff,0xa0,0x00,0x00,0x00,0x00,0x7f,0xf0,0x7c,0x0f,0xff,0xff,0xc0,0xf8,
0x3f,0xf8,0x1f,0xfc,0x00,0x00,0xff,0xa0,0x00,0x00,0x00,0x00,0x7f,0xf0,0x7c,0x07,
0xff,0xff,0xc0,0xf8,0x3f,0xf8,0x1f,0xfc,0x10,0x00,0xff,0xa0,0x00,0x00,0x00,0x00,
0x7f,0xf0,0x7c,0x07,0xff,0xff,0xc0,0xf8,0x3f,0xf8,0x1f,0xfc,0x10,0x00,0xff,0xa0,
0x00,0x00,0x00,0x00,0x3f,0xf0,0x7c,0x07,0xff,0xff,0xc0,0xf8,0x3f,0xf8,0x1f,0xfc,
0x10,0x00,0xff,0x80,0x00,0x00,0x00,0x00,0x7f,0xf0,0x3c,0x07,0xff,0xff,0xc0,0xf8,
0x3f,0xf8,0x1f,0xfc,0x00,0x00,0xff,0xbf,0xff,0xff,0xff,0xff,0xfc,0x0f,0xff,0xf0,
0x01,0xff,0xc0,0xff,0xff,0x07,0xff,0x03,0xf0,0x00,0xff,0xbf,0xff,0xff,0xff,0xff,
0xfc,0x1f,0xff,0xf0,0x01,0xff,0xc0,0xff,0xff,0x07,0xff,0x07,0xf0,0x00,0xff,0xbf,
0xff,0xff,0xff,0xff,0xfc,0x1f,0xff,0xf0,0x01,0xff,0xc0,0xff,0xff,0x07,0xff,0x03,
0xf0,0x00,0xff,0xbf,0xff,0xff,0xff,0xff,0xfc,0x1f,0xff,0xf0,0x01,0xff,0xc0,0xff,
0xff,0x07,0xff,0x07,0xf0,0x00,0xff,0xbf,0xff,0xff,0xff,0xff,0xfc,0x1f,0xff,0xf0,
0x01,0xff,0xc0,0xff,0xff,0x07,0xff,0x03,0xf0,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,
0x7c,0x1f,0xff,0xf0,0x00,0x07,0xc0,0x07,0xc0,0x07,0xe0,0x07,0xf0,0x00,0xff,0xa0,
0xff,0xff,0xff,0xe0,0x7c,0x1f,0xff,0xf0,0x00,0x07,0xc0,0x07,0xc0,0x07,0xe0,0x03,
0xf0,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,0x7c,0x1f,0xff,0xf0,0x00,0x07,0xc0,0x07,
0xc0,0x07,0xe0,0x07,0xf0,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,0x7c,0x1f,0xff,0xf0,
0x00,0x07,0xc0,0x07,0xc0,0x07,0xe0,0x03,0xf0,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,
0x7c,0x1f,0xff,0xf0,0x00,0x07,0xc0,0x07,0xc0,0x07,0xe0,0x07,0xf0,0x00,0xff,0xa0,
0xff,0xff,0xff,0xe0,0x7c,0x1f,0xff,0xf0,0x00,0x07,0xc0,0x07,0xc0,0x07,0xe0,0x03,
0xf0,0x00,0xff,0xa0,0xfc,0x1f,0xfc,0x0f,0xfc,0x1f,0x80,0x07,0xfe,0x00,0x3f,0xff,
0xff,0x07,0xe0,0x7c,0x00,0x00,0xff,0xa0,0xfc,0x1f,0xfc,0x1f,0xfc,0x1f,0x80,0x07,
0xff,0x00,0x3f,0xff,0xff,0x07,0xe0,0xfc,0x10,0x00,0xff,0xa0,0xfc,0x1f,0xfc,0x1f,
0xfc,0x1f,0x80,0x0f,0xfe,0x00,0x3f,0xff,0xff,0x07,0xe0,0xfc,0x10,0x00,0xff,0xa0,
0xfc,0x1f,0xfc,0x1f,0xfc,0x1f,0x80,0x07,0xff,0x00,0x3f,0xff,0xff,0x07,0xe0,0xfc,
0x10,0x00,0xff,0xa0,0xfc,0x1f,0xfc,0x1f,0xfc,0x1f,0x80,0x0f,0xfe,0x00,0x3f,0xff,
0xff,0x07,0xe0,0x7c,0x10,0x00,0xff,0xa0,0x03,0xc0,0xff,0xc0,0x01,0xe0,0x01,0xff,
0x80,0x70,0x00,0x07,0xe0,0x00,0x00,0x00,0x10,0x00,0xff,0xa0,0x07,0xe0,0xff,0xe0,
0x03,0xf0,0x03,0xff,0x81,0xf8,0x00,0x07,0xe0,0x00,0x00,0x00,0x10,0x00,0xff,0xa0,
0x07,0xe0,0xff,0xe0,0x03,0xf0,0x03,0xff,0xc1,0xf8,0x00,0x07,0xe0,0x00,0x00,0x00,
0x10,0x00,0xff,0xa0,0x07,0xe0,0xff,0xe0,0x03,0xf0,0x01,0xff,0x81,0xf8,0x00,0x07,
0xe0,0x00,0x00,0x00,0x10,0x00,0xff,0xa0,0x07,0xe0,0xff,0xe0,0x03,0xf0,0x03,0xff,
0x81,0xf8,0x00,0x07,0xe0,0x00,0x00,0x00,0x10,0x00,0xff,0xa0,0x03,0xf2,0x7f,0xe9,
0x4b,0xf0,0x01,0xff,0xc1,0xf8,0x00,0x87,0xe1,0x00,0x95,0x00,0x10,0x00,0xff,0xa0,
0x00,0x1f,0x03,0xff,0xff,0xf0,0x03,0xf0,0x01,0xf8,0x00,0xff,0xff,0x07,0xff,0x03,
0xf0,0x00,0xff,0xa0,0x00,0x1f,0x83,0xff,0xff,0xf0,0x01,0xf0,0x01,0xf8,0x00,0xff,
0xff,0x07,0xff,0x03,0xf0,0x00,0xff,0xa0,0x00,0x1f,0x83,0xff,0xff,0xf0,0x01,0xf0,
0x01,0xf8,0x00,0xff,0xff,0x07,0xff,0x07,0xf0,0x00,0xff,0xa0,0x00,0x1f,0x83,0xff,
0xff,0xf0,0x03,0xf0,0x01,0xf8,0x00,0xff,0xff,0x07,0xff,0x07,0xf0,0x00,0xff,0xa0,
0x00,0x1f,0x83,0xff,0xff,0xf0,0x01,0xf0,0x01,0xf8,0x00,0xff,0xff,0x07,0xff,0x03,
0xf0,0x00,0xff,0xa0,0x04,0x80,0x00,0x00,0x04,0x00,0x03,0xf0,0x05,0xf8,0x20,0xf8,
0x00,0x57,0xff,0x04,0x00,0x00,0xff,0xbf,0x07,0xe0,0x00,0x00,0x00,0x00,0x01,0xf0,
0x3f,0xf8,0x3f,0xf8,0x00,0xff,0xff,0xfc,0x10,0x00,0xff,0xbf,0x07,0xe0,0x00,0x00,
0x00,0x00,0x01,0xf0,0x3f,0xf8,0x3f,0xf8,0x00,0xff,0xff,0xfc,0x10,0x00,0xff,0xbf,
0x07,0xe0,0x00,0x00,0x00,0x00,0x03,0xf0,0x3f,0xf8,0x3f,0xf8,0x00,0xff,0xff,0xfc,
0x10,0x00,0xff,0xbf,0x07,0xe0,0x00,0x00,0x00,0x00,0x01,0xf0,0x3f,0xf8,0x3f,0xf8,
0x00,0xff,0xff,0xfc,0x10,0x00,0xff,0xbf,0x04,0x00,0x00,0x00,0x00,0x00,0x01,0xf0,
0x3f,0xf8,0x20,0xf8,0x00,0x00,0x01,0x24,0x10,0x00,0xff,0xbf,0xfc,0x00,0x03,0xff,
0xff,0xff,0xff,0xff,0xff,0xf0,0x00,0xf8,0x00,0x00,0x00,0x00,0x10,0x00,0xff,0xbf,
0xfc,0x00,0x03,0xff,0xff,0xff,0xff,0xff,0xff,0xf8,0x00,0xf8,0x00,0x00,0x00,0x00,
0x10,0x00,0xff,0xbf,0xfc,0x00,0x03,0xff,0xff,0xff,0xff,0xff,0xff,0xf8,0x00,0xf8,
0x00,0x00,0x00,0x00,0x10,0x00,0xff,0xbf,0xfc,0x00,0x03,0xff,0xff,0xff,0xff,0xff,
0xff,0xf8,0x00,0xf8,0x00,0x00,0x00,0x00,0x10,0x00,0xff,0xbf,0xfc,0x00,0x03,0xff,
0xff,0xff,0xff,0xff,0xff,0xf8,0x00,0xf0,0x00,0x00,0x00,0x00,0x10,0x00,0xff,0xbf,
0xfc,0x00,0x03,0xe0,0x7c,0x00,0x7f,0xfa,0xbf,0x00,0x00,0xf8,0x00,0x00,0x00,0x00,
0x10,0x00,0xff,0xbf,0xfc,0x00,0xff,0xe0,0x7c,0x00,0x3f,0xf0,0x3e,0x00,0x00,0xf8,
0x00,0x78,0x1f,0xfc,0x10,0x00,0xff,0xbf,0xfc,0x00,0xff,0xe0,0x7c,0x00,0x7f,0xf0,
0x3e,0x00,0x00,0xf8,0x00,0xf8,0x1f,0xfc,0x10,0x00,0xff,0xbf,0xfc,0x00,0xff,0xe0,
0x7c,0x00,0x7f,0xf0,0x3e,0x00,0x00,0xf8,0x00,0xf8,0x1f,0xfc,0x10,0x00,0xff,0xbf,
0xfc,0x00,0xff,0xe0,0x7c,0x00,0x7f,0xf0,0x3e,0x00,0x00,0xf8,0x00,0xf8,0x1f,0xfc,
0x10,0x00,0xff,0xbf,0xfc,0x00,0x6f,0x40,0x78,0x00,0x3f,0xf0,0x3f,0x00,0x00,0x68,
0x00,0xf0,0x0f,0xf8,0x10,0x00,0xff,0xbf,0xfc,0x1f,0x80,0x1f,0x83,0xff,0x81,0xff,
0xff,0xf8,0x3e,0x07,0xe0,0x00,0x00,0x03,0xf0,0x00,0xff,0xbf,0xfc,0x1f,0x80,0x1f,
0x83,0xff,0x83,0xff,0xff,0xf8,0x3f,0x07,0xe0,0x00,0x00,0x03,0xf0,0x00,0xff,0xbf,
0xfc,0x1f,0x80,0x1f,0x81,0xff,0x81,0xff,0xff,0xf8,0x3f,0x07,0xe0,0x00,0x00,0x07,
0xf0,0x00,0xff,0xbf,0xfc,0x1f,0x80,0x1f,0x83,0xff,0x83,0xff,0xff,0xf8,0x3f,0x07,
0xe0,0x00,0x00,0x03,0xf0,0x00,0xff,0xbf,0xf8,0x1f,0x80,0x1f,0x83,0xff,0x81,0xff,
0xff,0xf8,0x3f,0x07,0xe0,0x00,0x00,0x03,0xf0,0x00,0xff,0xbf,0xf3,0xff,0x83,0xef,
0xff,0xff,0xbf,0xff,0xff,0xf7,0xfe,0xff,0xff,0xff,0xff,0xf9,0xf0,0x00,0xff,0xbf,
0x07,0xff,0x83,0xe0,0x7f,0xf0,0x7f,0xf0,0x3f,0x07,0x80,0xff,0xff,0xff,0xff,0xfc,
0x10,0x00,0xff,0xbf,0x07,0xff,0x83,0xe0,0x7f,0xf0,0x7f,0xf0,0x3e,0x07,0xc0,0xff,
0xff,0xff,0xff,0xfc,0x10,0x00,0xff,0xbf,0x07,0xff,0x83,0xe0,0x3f,0xf0,0x7f,0xf0,
0x3e,0x07,0xc0,0xff,0xff,0xff,0xff,0xfc,0x10,0x00,0xff,0xbf,0x03,0xff,0x83,0xe0,
0x7f,0xf0,0x7f,0xf0,0x3e,0x07,0xc0,0xff,0xff,0xff,0xff,0xfc,0x10,0x00,0xff,0xbf,
0x07,0xff,0x83,0xe0,0x7f,0xf0,0x7f,0xf0,0x3a,0x07,0xc0,0x7f,0xff,0xff,0xff,0xfc,
0x00,0x00,0xff,0xbf,0xff,0xff,0xff,0xff,0xfc,0x00,0x7f,0xf0,0x01,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xf0,0x00,0xff,0xbf,0xff,0xff,0xff,0xff,0xfc,0x00,0x7f,0xf0,
0x01,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xf0,0x00,0xff,0xbf,0xff,0xff,0xff,0xff,
0xfc,0x00,0x7f,0xf0,0x01,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xf0,0x00,0xff,0xbf,
0xff,0xff,0xff,0xff,0xfc,0x00,0x7f,0xf0,0x01,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xf0,0x00,0xff,0xbf,0xff,0xff,0xff,0xff,0xfc,0x00,0x7f,0xf0,0x01,0xef,0xff,0xff,
0xff,0xff,0xff,0xff,0xf0,0x00,0xff,0xa0,0x00,0x00,0x00,0x00,0x7c,0x0f,0x81,0xf0,
0x3e,0x07,0xc0,0xf8,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xa0,0x00,0x00,0x00,0x00,
0x7c,0x1f,0x81,0xf0,0x3f,0x07,0xc0,0xf8,0x00,0x00,0x00,0x00,0x10,0x00,0xff,0xa0,
0x00,0x00,0x00,0x00,0x7c,0x1f,0x83,0xf0,0x3e,0x07,0xc0,0xf8,0x00,0x00,0x00,0x00,
0x10,0x00,0xff,0xa0,0x00,0x00,0x00,0x00,0x7c,0x1f,0x81,0xf0,0x3e,0x07,0xc0,0x78,
0x00,0x00,0x00,0x00,0x10,0x00,0xff,0xa0,0x00,0x00,0x00,0x00,0x7c,0x1f,0x83,0xf0,
0x3e,0x07,0xc0,0xf8,0x00,0x00,0x00,0x00,0x10,0x00,0xff,0xa0,0x00,0x00,0x00,0x00,
0x7c,0x0f,0x81,0xf0,0x3f,0x07,0xc0,0xf8,0x00,0x00,0x00,0x00,0x10,0x00,0xff,0xa0,
0xff,0xff,0xff,0xe0,0x7f,0xf0,0x3c,0x0f,0xff,0xff,0xff,0xf8,0x3f,0xff,0xff,0xfc,
0x10,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,0x7f,0xf0,0x7c,0x07,0xff,0xff,0xff,0xf8,
0x3f,0xff,0xff,0xfc,0x10,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,0x7f,0xf0,0x7c,0x07,
0xff,0xff,0xff,0xf8,0x3f,0xff,0xff,0xfc,0x10,0x00,0xff,0xa0,0xff,0xff,0xff,0xe0,
0x7f,0xf0,0x7c,0x07,0xff,0xff,0xff,0xf8,0x3f,0xff,0xff,0xfc,0x10,0x00,0xff,0xa0,
0xff,0xff,0xff,0xe0,0x7f,0xf0,0x3c,0x0f,0xff,0xff,0xff,0xf8,0x3f,0xff,0xff,0xfc,
0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x00,0x3f,0x07,0xff,0xf8,
0x3f,0x00,0x00,0x7c,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x00,
0x3e,0x07,0xff,0xf8,0x3f,0x00,0x00,0xfc,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,
0x7f,0xff,0x80,0x00,0x3e,0x07,0xff,0xf8,0x3f,0x00,0x00,0xfc,0x10,0x00,0xff,0xa0,
0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x00,0x3f,0x07,0xff,0xf8,0x3f,0x00,0x00,0x7c,
0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x00,0x3e,0x07,0xff,0xf8,
0x3f,0x00,0x00,0xfc,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x07,
0xfe,0xf7,0xff,0xf8,0x3f,0x00,0x00,0x7c,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,
0x7f,0xff,0x80,0x07,0xc1,0xf8,0x00,0xf8,0x3f,0x00,0x00,0xfc,0x10,0x00,0xff,0xa0,
0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x0f,0x81,0xf8,0x00,0xf8,0x3f,0x00,0x00,0x7c,
0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x07,0x81,0xf8,0x00,0xf8,
0x3f,0x00,0x00,0xfc,0x10,0x00,0xff,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xff,0x80,0x07,
0x81,0xf8,0x00,0xf8,0x3f,0x00,0x00,0x7c,0x10,0x00,0xc3,0xa0,0xfc,0x00,0x03,0xe0,
0x7f,0xff,0x80,0x0f,0x81,0xf0,0x00,0xf8,0x3f,0x00,0x00,0x7c,0x10,0x00,0xc1,0xa0,
0xfc,0x00,0x03,0xe0,0x7f,0xf0,0x7c,0x07,0xc0,0x07,0xff,0xf8,0x3f,0x00,0x00,0xfc,
0x10,0x00,0xc0,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xf0,0x7e,0x07,0x80,0x07,0xff,0xf8,
0x3f,0x00,0x00,0xfc,0x10,0x00,0xf0,0xa0,0xfc,0x00,0x03,0xe0,0x7f,0xf0,0x7c,0x07,
0x80,0x07,0xff,0xf8,0x3f,0x00,0x00,0x7c,0x10,0x00,0xc0,0xa0,0xfc,0x00,0x03,0xe0,
0x7f,0xf0,0x7c,0x0f,0x80,0x07,0xff,0xf8,0x3f,0x00,0x00,0xfc,0x10,0x00,0x80,0xa0,
0xfc,0x00,0x03,0xe0,0x7f,0xf0,0x3c,0x07,0x80,0x07,0xff,0xf8,0x3f,0x00,0x00,0x7c,
0x10,0x00,0x80,0xa0,0xff,0xff,0xff,0xe0,0x7f,0xff,0xfc,0x0f,0xc0,0x07,0xff,0xf8,
0x3f,0xff,0xff,0xfc,0x10,0x00,0x88,0xa0,0xff,0xff,0xff,0xe0,0x7f,0xff,0xfc,0x00,
0x00,0x07,0xff,0xf8,0x3f,0xff,0xff,0xfc,0x10,0x00,0x88,0xa0,0xff,0xff,0xff,0xe0,
0x7f,0xff,0xfc,0x00,0x00,0x07,0xff,0xf8,0x3f,0xff,0xff,0xfc,0x10,0x00,0x88,0xa0,
0xff,0xff,0xff,0xe0,0x7f,0xff,0xfc,0x00,0x00,0x07,0xff,0xf8,0x3f,0xff,0xff,0xfc,
0x10,0x00,0x88,0xa0,0xff,0xff,0xff,0xe0,0x7f,0xff,0xfc,0x00,0x00,0x07,0xff,0xf8,
0x3f,0xff,0xff,0xfc,0x10,0x00,0x88,0xa0,0xff,0xff,0xff,0xe0,0x7f,0xff,0xfc,0x00,
0x00,0x07,0xff,0xf8,0x3f,0xff,0xff,0xfc,0x10,0x00,0xff,0xa0,0x00,0x00,0x00,0x00,
0x7c,0x00,0x00,0x07,0x80,0x07,0xff,0xf8,0x00,0x00,0x00,0x00,0x10,0x00,0xff,0xa0,
0x00,0x00,0x00,0x00,0x7c,0x00,0x00,0x0f,0x80,0x07,0xff,0xf8,0x00,0x00,0x00,0x00,
0x10,0x00,0xfe,0x20,0x00,0x00,0x00,0x00,0x7c,0x00,0x00,0x07,0x80,0x07,0xff,0xf8,
0x00,0x00,0x00,0x00,0x10,0x00,0xff,0x20,0x00,0x00,0x00,0x00,0x7c,0x00,0x00,0x07,
0x80,0x07,0xff,0xf8,0x00,0x00,0x00,0x00,0x10,0x00,0xff,0x80,0x00,0x00,0x00,0x00,
0x7c,0x00,0x00,0x0f,0xc0,0x07,0xff,0xf8,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xf0,0x00
};
void initXY() {
for (int i = 0; i < 9; ++i) {
x[i] = 6 + (i << 1), y[i] = (10 - i) * 2;
switch (i) {
case 8: x[i] -= 17; y[i] -= 11;
case 7: --x[i]; y[i] += ((i-1) << 2) - (i >> 1) - 1;
case 6: x[i] += (i << 1) - 2; y[i] -= i - 1;
case 5: --x[i]; y[i] += i - 1;
case 4: x[i] -= i + 15; y[i] -= (i << 1);
case 3: x[i] -= 4; y[i] += (i << 3) + 1;
case 2: x[i] += 2 + (i << 1); y[i] -= (i << 3) - 3;
default: break;
}
}
}
int main() {
initXY();
int i;
for(i = 0; i < 9; i++)
printf("%d,%d
",x[i],y[i]);
#if 1 //原文件为#if 0
dispaly();
#endif
fp = fopen(filename, "w");
fwrite(data,sizeof(char),sizeof(data)/sizeof(*data),fp);
return 0;
}
编译时提示使用-std=c99参数，运行后得到以一组坐标命名的文件，打开后发现是二维码。
扫描无法识别，根据图中的XY坐标轴，猜想二维码需要修正。
按照（X,Y)方式查找发现修改后已不是二维码，于是尝试（Y,X）方式查找
将坐标处填涂为黑色，得到下图
扫描二维码跳转至http://round2.sinaapp.com/，即第二关