foo.c: In function 'main':
foo.c:4:18: error: expected ')' before '\U0000ff09'
    4 | for (i=1;i<=5;i++）{
      |     ~            ^~
      |                  )
foo.c:4:1: note: '-Wmisleading-indentation' is disabled from this point onwards, since column-tracking was disabled due to the size of the code/headers
    4 | for (i=1;i<=5;i++）{
      | ^~~
foo.c:4:1: note: adding '-flarge-source-files' will allow for more column-tracking support, at the expense of compilation time and memory
foo.c:9:1: error: expected declaration or statement at end of input
    9 | }
      | ^
foo.c:3:7: warning: unused variable 'j' [-Wunused-variable]
    3 | int i,j;
      |       ^

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