foo.cc:70:39: error: extended character 、 is not valid in an identifier
   70 |                 f[i][k]=max(f[i][k],f[、、
      |                                       ^
foo.cc:70:39: error: extended character 、 is not valid in an identifier
foo.cc: In function 'void DP()':
foo.cc:70:39: error: '\U00003001\U00003001' was not declared in this scope
   70 |                 f[i][k]=max(f[i][k],f[、、
      |                                       ^~~~
foo.cc:70:43: error: expected ']' before 'cout'
   70 |                 f[i][k]=max(f[i][k],f[、、
      |                                           ^
      |                                           ]
   71 | 
   72 |     cout<<f[20*p][K]<<endl;
      |     ~~~~                                   

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