foo.cc: In function 'int cmp(int, int)':
foo.cc:7:16: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    7 |         if(m==0&&l==2||m==2&&l==5||m==5&&l==0)return 1;
      |            ~~~~^~~~~~
foo.cc:7:40: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    7 |         if(m==0&&l==2||m==2&&l==5||m==5&&l==0)return 1;
      |                                    ~~~~^~~~~~

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