foo.cc: In function 'int main()':
foo.cc:13:25: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   13 |   if(a[z]>max||a[z]==max&&z>m)max=a[z],m=z;
      |                ~~~~~~~~~^~~~~
foo.cc:13:25: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
   13 |   if(a[z]>max||a[z]==max&&z>m)max=a[z],m=z;
      |                ~~~~~~~~~^~~~~

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