foo.cc: In function 'int main()':
foo.cc:7:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    7 |    if (a ==1);
      |    ^~
foo.cc:8:7: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    8 |       while(a !=1)
      |       ^~~~~
foo.cc:6:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    6 | scanf("%d",&a);
      | ~~~~~^~~~~~~~~

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