foo.cc: In function 'int main()':
foo.cc:7:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    7 |         for(int i=1;i<=n;i++)a[i]=pow(2,i+1)-2;cout<<a[n];
      |         ^~~
foo.cc:7:48: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
    7 |         for(int i=1;i<=n;i++)a[i]=pow(2,i+1)-2;cout<<a[n];
      |                                                ^~~~

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