foo.c: In function 'main':
foo.c:11:21: error: expected expression before '[' token
   11 |                 h=1/[5^(1/2)][(1+1/5﹣²)ⁿ/2ⁿ-(1-1/5﹣²)ⁿ/2ⁿ];
      |                     ^
foo.c:11:36: error: invalid suffix "﹣²" on integer constant
   11 |                 h=1/[5^(1/2)][(1+1/5﹣²)ⁿ/2ⁿ-(1-1/5﹣²)ⁿ/2ⁿ];
      |                                    ^~~~
foo.c:11:41: error: expected ']' before '\U0000207f'
   11 |                 h=1/[5^(1/2)][(1+1/5﹣²)ⁿ/2ⁿ-(1-1/5﹣²)ⁿ/2ⁿ];
      |                                         ^
      |                                         ]
foo.c:11:43: error: invalid suffix "ⁿ" on integer constant
   11 |                 h=1/[5^(1/2)][(1+1/5﹣²)ⁿ/2ⁿ-(1-1/5﹣²)ⁿ/2ⁿ];
      |                                           ^~
foo.c:11:51: error: invalid suffix "﹣²" on integer constant
   11 |                 h=1/[5^(1/2)][(1+1/5﹣²)ⁿ/2ⁿ-(1-1/5﹣²)ⁿ/2ⁿ];
      |                                                   ^~~~
foo.c:11:58: error: invalid suffix "ⁿ" on integer constant
   11 |                 h=1/[5^(1/2)][(1+1/5﹣²)ⁿ/2ⁿ-(1-1/5﹣²)ⁿ/2ⁿ];
      |                                                          ^~

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