foo.cc: In function 'int main()':
foo.cc:12:79: warning: array subscript 3 is above array bounds of 'long long int [3]' [-Warray-bounds]
   12 |                 e = bool(d[i] >= d[1]) + bool(d[i] >= d[2]) + bool(d[i] >= d[3]);
      |                                                                            ~~~^
foo.cc:8:19: note: while referencing 'd'
    8 |         long long d[3]{ a,b,c };
      |                   ^

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