foo.cc: In function 'int main()':
foo.cc:11:6: warning: init-statement in selection statements only available with -std=c++1z or -std=gnu++1z
   if(a[i]==m;
      ^
foo.cc:11:10: warning: statement has no effect [-Wunused-value]
   if(a[i]==m;
      ~~~~^~~
foo.cc:12:10: error: expected ')' before ';' token
      sb++;
          ^

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