Accepted
/in/foo.cc: In function 'int main()': /in/foo.cc:9:17: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] else if((m*n)&1==1) //奇数行列 ~^~~
/in/foo.cc: In function 'int main()': /in/foo.cc:9:17: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] else if((m*n)&1==1) //奇数行列 ~^~~