foo.cc: In lambda function:
foo.cc:34:40: error: expected '{' before '[' token
   34 |   for(int i=0;i<3;i++)cin>>x[i][0]>>[i][1];
      |                                        ^
foo.cc: In function 'int main()':
foo.cc:34:40: error: no match for 'operator[]' (operand types are 'main()::<lambda()>' and 'int')

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