foo.cc: In function 'void Insert(int*, int, int)':
foo.cc:9:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    9 |     for (i = 0;i < n;i++)
      |     ^~~
foo.cc:16:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   16 |         a[i] = k;
      |         ^
foo.cc: In function 'int main()':
foo.cc:25:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   25 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
foo.cc:27:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   27 |         scanf("%d", &a[i]);
      |         ~~~~~^~~~~~~~~~~~~
foo.cc:28:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   28 |     scanf("%d", &k);
      |     ~~~~~^~~~~~~~~~

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