foo.cc: In function 'int main()':
foo.cc:46:29: warning: array subscript 100 is above array bounds of 'int [100]' [-Warray-bounds]
   46 |         n = 0;xx = 0;ans[100] = { 0 };
      |                      ~~~~~~~^
foo.cc:6:5: note: while referencing 'ans'
    6 | int ans[100];
      |     ^~~

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