foo.cc: In function 'int main()':
foo.cc:32:14: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   32 |    if(a[i]==1&&a[j]==0||a[i]==2&&a[j]==3||a[i]==3&&a[j]==2||a[i]==4&&a[j]==4)
      |       ~~~~~~~^~~~~~~~~
foo.cc:32:50: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   32 |    if(a[i]==1&&a[j]==0||a[i]==2&&a[j]==3||a[i]==3&&a[j]==2||a[i]==4&&a[j]==4)
      |                                           ~~~~~~~^~~~~~~~~
foo.cc:32:68: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   32 |    if(a[i]==1&&a[j]==0||a[i]==2&&a[j]==3||a[i]==3&&a[j]==2||a[i]==4&&a[j]==4)
      |                                                             ~~~~~~~^~~~~~~~~

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