foo.cc: In function 'int main()':
foo.cc:58:19: error: invalid types 'int[int]' for array subscript
   58 |         if(!k[A[i]])
      |                   ^
foo.cc:59:19: error: invalid types 'int[int]' for array subscript
   59 |             k[A[i]]=i;
      |                   ^
foo.cc:72:15: error: invalid types 'int[int]' for array subscript
   72 |         if(k[i]!=0)
      |               ^
foo.cc:73:21: error: invalid types 'int[int]' for array subscript
   73 |             work(k[i],1);
      |                     ^

正在同步测试数据，请稍后
Found 5 testcases.
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