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0_0_39522876_1454.cpp:12:10: error: conversion from 'double' to 'long long unsigned int' in a converted constant expression
   12 | int f[1e6+9]={1};
      |       ~~~^~
0_0_39522876_1454.cpp:12:10: error: could not convert '(1.0e+6 + (double)9)' from 'double' to 'long long unsigned int'
   12 | int f[1e6+9]={1};
      |       ~~~^~
      |          |
      |          double
0_0_39522876_1454.cpp:12:10: error: size of array 'f' has non-integral type 'double'