/in/foo.cc: In function 'int main()':
/in/foo.cc:12:14: warning: comparison of constant '10' with boolean expression is always true [-Wbool-compare]
    if(n%10!=m!=10)
       ~~~~~~~^~~~
/in/foo.cc:12:11: warning: suggest parentheses around comparison in operand of '!=' [-Wparentheses]
    if(n%10!=m!=10)
       ~~~~^~~