foo.cc: In function 'int main()':
foo.cc:33:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   33 |   for(int i=0;i<=N;++i)
      |   ^~~
foo.cc:35:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   35 |    printf("%d",ans);
      |    ^~~~~~
foo.cc:35:13: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   35 |    printf("%d",ans);
      |            ~^  ~~~
      |             |  |
      |             |  long long int
      |             int
      |            %lld
foo.cc:35:10: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   35 |    printf("%d",ans);
      |    ~~~~~~^~~~~~~~~~

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