#include "stdio.h"
#include "stdlib.h"
#include "string.h"
unsigned int c1[32]={0xffff,0x5678,0x12ac,0xfedc,0x1456,0x2456,0xfefe,0x1245,
0x1234,0x5678,0x12ac,0xfedc,0x1456,0x2456,0xfefe,0x1245,
0x1234,0x5678,0x12ac,0xfedc,0x1456,0x2456,0xfefe,0x1245,
0x1234,0x5678,0x12ac,0xfedc,0x1456,0x2456,0xffff,0x1245};
unsigned int c2[32]={0x1,0x5678,0x12ac,0xfedc,0x1456,0x2456,0xfefe,0x1245,
0x1234,0x5678,0x12ac,0xfedc,0x1456,0x2456,0xfefe,0x1245,
0x1234,0x5678,0x12ac,0xfedc,0x1456,0x2456,0xfefe,0x1245,
0x1234,0x5678,0x12ac,0xfedc,0x1456,0x2456,0xfff0,0x1245};
unsigned c3[32]={0,0,0,0,0,0,0,0,
    0,0,0,0,0,0,0,0,
    0,0,0,0,0,0,0,0,
    0,0,0,0,0,0,0,0};//32bits
unsigned int sub(unsigned *p1,unsigned *p2)
{
  unsigned i,j;
  unsigned bit=0;//借位的标志


    for(i=31;i>=0;i--)
  {
     if((p1[i]-p2[i]-bit)<0)
      {
          bit = 1;
          c3[i] = 0x10000+(p1[i]-p2[i]-bit);
      }
      else
      {
          bit = 0;
          c3[i] = p1[i]-p2[i]-bit;
      }


  }


  for(j=0;j<=31;j++)
  {
      printf("%x  ",c3[j]);
  }
return 0;
}


int main(void)
{
    int k;
    k=1;
    while(k)
    {
       sub(c1,c2);
       k--;
    }
    return 0;
}





1>------ 已启动生成: 项目: test1, 配置: Debug Win32 ------
1>生成启动时间为 2015/7/16 17:01:32。
1>PrepareForBuild:
1>  正在创建目录“E:\vc\工程文件\test1\Debug\”。
1>InitializeBuildStatus:
1>  正在创建“Debug\test1.unsuccessfulbuild”，因为已指定“AlwaysCreate”。
1>ClCompile:
1>  sub.c
1>LinkEmbedManifest:
1>  test1.vcxproj -> E:\vc\工程文件\test1\Debug\test1.exe
1>FinalizeBuildStatus:
1>  正在删除文件“Debug\test1.unsuccessfulbuild”。
1>  正在对“Debug\test1.lastbuildstate”执行 Touch 任务。
1>
1>生成成功。
1>
1>已用时间 00:00:28.34
========== 生成: 成功 1 个，失败 0 个，最新 0 个，跳过 0 个 ==========

源程序在上面，各位大神帮忙看看，帮忙指点一下，我才开始用的VS2010，谢谢各位大神

什么问题，，

成功数为1，失败数全为零，你认为有什么问题？