/in/foo.cc:8:1: error: stray '\302' in program
     int n;
 ^
/in/foo.cc:8:2: error: stray '\240' in program
     int n;
  ^
/in/foo.cc:8:4: error: stray '\302' in program
     int n;
    ^
/in/foo.cc:8:5: error: stray '\240' in program
     int n;
     ^
/in/foo.cc:9:1: error: stray '\302' in program
     cin>>n;
 ^
/in/foo.cc:9:2: error: stray '\240' in program
     cin>>n;
  ^
/in/foo.cc:9:4: error: stray '\302' in program
     cin>>n;
    ^
/in/foo.cc:9:5: error: stray '\240' in program
     cin>>n;
     ^
/in/foo.cc:10:1: error: stray '\302' in program
     for (int i=1;i<=n;i++) cin>>a[i];
 ^
/in/foo.cc:10:2: error: stray '\240' in program
     for (int i=1;i<=n;i++) cin>>a[i];
  ^
/in/foo.cc:10:4: error: stray '\302' in program
     for (int i=1;i<=n;i++) cin>>a[i];
    ^
/in/foo.cc:10:5: error: stray '\240' in program
     for (int i=1;i<=n;i++) cin>>a[i];
     ^
/in/foo.cc:11:1: error: stray '\302' in program
     // 分别求解以middle为中间点(1<=middle<=N)时 
 ^
/in/foo.cc:11:2: error: stray '\240' in program
     // 分别求解以middle为中间点(1<=middle<=N)时 
  ^
/in/foo.cc:11:4: error: stray '\302' in program
     // 分别求解以middle为中间点(1<=middle<=N)时 
    ^
/in/foo.cc:11:5: error: stray '\240' in program
     // 分别求解以middle为中间点(1<=middle<=N)时 
     ^
/in/foo.cc:12:1: error: stray '\302' in program
     // 1~middle最长上升序列和middle~N最长下降序列的长度和 
 ^
/in/foo.cc:12:2: error: stray '\240' in program
     // 1~middle最长上升序列和middle~N最长下降序列的长度和 
  ^
/in/foo.cc:12:4: error: stray '\302' in program
     // 1~middle最长上升序列和middle~N最长下降序列的长度和 
    ^
/in/foo.cc:12:5: error: stray '\240' in program
     // 1~middle最长上升序列和middle~N最长下降序列的长度和 
     ^
/in/foo.cc:13:1: error: stray '\302' in program
     // 并保存最小值.
 ^
/in/foo.cc:13:2: error: stray '\240' in program
     // 并保存最小值.
  ^
/in/foo.cc:13:4: error: stray '\302' in program
     // 并保存最小值.
    ^
/in/foo.cc:13:5: error: stray '\240' in program
     // 并保存最小值.
     ^
/in/foo.cc:14:1: error: stray '\302' in program
     
 ^
/in/foo.cc:14:2: error: stray '\240' in program
     
  ^
/in/foo.cc:14:4: error: stray '\302' in program
     
    ^
/in/foo.cc:14:5: error: stray '\240' in program
     
     ^
/in/foo.cc:14:6: error: stray '\302' in program
     
      ^
/in/foo.cc:14:7: error: stray '\240' in program
     
       ^
/in/foo.cc:15:1: error: stray '\302' in program
     int i,j,middle,ans;
 ^
/in/foo.cc:15:2: error: stray '\240' in program
     int i,j,middle,ans;
  ^
/in/foo.cc:15:4: error: stray '\302' in program
     int i,j,middle,ans;
    ^
/in/foo.cc:15:5: error: stray '\240' in program
     int i,j,middle,ans;
     ^
/in/foo.cc:16:1: error: stray '\302' in program
     for (middle=1;middle<=n;middle++)
 ^
/in/foo.cc:16:2: error: stray '\240' in program
     for (middle=1;middle<=n;middle++)
  ^
/in/foo.cc:16:4: error: stray '\302' in program
     for (middle=1;middle<=n;middle++)
    ^
/in/foo.cc:16:5: error: stray '\240' in program
     for (middle=1;middle<=n;middle++)
     ^
/in/foo.cc:17:1: error: stray '\302' in program
     {
 ^
/in/foo.cc:17:2: error: stray '\240' in program
     {
  ^
/in/foo.cc:17:4: error: stray '\302' in program
     {
    ^
/in/foo.cc:17:5: error: stray '\240' in program
     {
     ^
/in/foo.cc:18:1: error: stray '\302' in program
         f[1]=1;
 ^
/in/foo.cc:18:2: error: stray '\240' in program
         f[1]=1;
  ^
/in/foo.cc:18:4: error: stray '\302' in program
         f[1]=1;
    ^
/in/foo.cc:18:5: error: stray '\240' in program
         f[1]=1;
     ^
/in/foo.cc:18:7: error: stray '\302' in program
         f[1]=1;
       ^
/in/foo.cc:18:8: error: stray '\240' in program
         f[1]=1;
        ^
/in/foo.cc:18:10: error: stray '\302' in program
         f[1]=1;
          ^
/in/foo.cc:18:11: error: stray '\240' in program
         f[1]=1;
           ^
/in/foo.cc:19:1: error: stray '\302' in program
         for (i=2;i<=middle;i++)
 ^
/in/foo.cc:19:2: error: stray '\240' in program
         for (i=2;i<=middle;i++)
  ^
/in/foo.cc:19:4: error: stray '\302' in program
         for (i=2;i<=middle;i++)
    ^
/in/foo.cc:19:5: error: stray '\240' in program
         for (i=2;i<=middle;i++)
     ^
/in/foo.cc:19:7: error: stray '\302' in program
         for (i=2;i<=middle;i++)
       ^
/in/foo.cc:19:8: error: stray '\240' in program
         for (i=2;i<=middle;i++)
        ^
/in/foo.cc:19:10: error: stray '\302' in program
         for (i=2;i<=middle;i++)
          ^
/in/foo.cc:19:11: error: stray '\240' in program
         for (i=2;i<=middle;i++)
           ^
/in/foo.cc:20:1: error: stray '\302' in program
         {
 ^
/in/foo.cc:20:2: error: stray '\240' in program
         {
  ^
/in/foo.cc:20:4: error: stray '\302' in program
         {
    ^
/in/foo.cc:20:5: error: stray '\240' in program
         {
     ^
/in/foo.cc:20:7: error: stray '\302' in program
         {
       ^
/in/foo.cc:20:8: error: stray '\240' in program
         {
        ^
/in/foo.cc:20:10: error: stray '\302' in program
         {
          ^
/in/foo.cc:20:11: error: stray '\240' in program
         {
           ^
/in/foo.cc:21:1: error: stray '\302' in program
             f[i]=1;
 ^
/in/foo.cc:21:2: error: stray '\240' in program
             f[i]=1;
  ^
/in/foo.cc:21:4: error: stray '\302' in program
             f[i]=1;
    ^
/in/foo.cc:21:5: error: stray '\240' in program
             f[i]=1;
     ^
/in/foo.cc:21:7: error: stray '\302' in program
             f[i]=1;
       ^
/in/foo.cc:21:8: error: stray '\240' in program
             f[i]=1;
        ^
/in/foo.cc:21:10: error: stray '\302' in program
             f[i]=1;
          ^
/in/foo.cc:21:11: error: stray '\240' in program
             f[i]=1;
           ^
/in/foo.cc:21:13: error: stray '\302' in program
             f[i]=1;
             ^
/in/foo.cc:21:14: error: stray '\240' in program
             f[i]=1;
              ^
/in/foo.cc:21:16: error: stray '\302' in program
             f[i]=1;
                ^
/in/foo.cc:21:17: error: stray '\240' in program
             f[i]=1;
                 ^
/in/foo.cc:22:1: error: stray '\302' in program
             for (j=i-1;j>=1;j--)
 ^
/in/foo.cc:22:2: error: stray '\240' in program
             for (j=i-1;j>=1;j--)
  ^
/in/foo.cc:22:4: error: stray '\302' in program
             for (j=i-1;j>=1;j--)
    ^
/in/foo.cc:22:5: error: stray '\240' in program
             for (j=i-1;j>=1;j--)
     ^
/in/foo.cc:22:7: error: stray '\302' in program
             for (j=i-1;j>=1;j--)
       ^
/in/foo.cc:22:8: error: stray '\240' in program
             for (j=i-1;j>=1;j--)
        ^
/in/foo.cc:22:10: error: stray '\302' in program
             for (j=i-1;j>=1;j--)
          ^
/in/foo.cc:22:11: error: stray '\240' in program
             for (j=i-1;j>=1;j--)
           ^
/in/foo.cc:22:13: error: stray '\302' in program
             for (j=i-1;j>=1;j--)
             ^
/in/foo.cc:22:14: error: stray '\240' in program
             for (j=i-1;j>=1;j--)
              ^
/in/foo.cc:22:16: error: stray '\302' in program
             for (j=i-1;j>=1;j--)
                ^
/in/foo.cc:22:17: error: stray '\240' in program
             for (j=i-1;j>=1;j--)
                 ^
/in/foo.cc:23:1: error: stray '\302' in program
             {
 ^
/in/foo.cc:23:2: error: stray '\240' in program
             {
  ^
/in/foo.cc:23:4: error: stray '\302' in program
             {
    ^
/in/foo.cc:23:5: error: stray '\240' in program
             {
     ^
/in/foo.cc:23:7: error: stray '\302' in program
             {