foo.cc: In function 'int main()':
foo.cc:7:6: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
    7 |  if(N=0)
      |     ~^~
foo.cc:7:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    7 |  if(N=0)
      |  ^~
foo.cc:9:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    9 |   if(N>0)
      |   ^~
foo.cc:9:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
foo.cc:11:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   11 |    if(N<0)
      |    ^~

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