foo.cc: In function 'int main()':
foo.cc:35:26: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
    if(d[c[i].x]^d[c[i].y]==0){
                 ~~~~~~~~~^~~

自豪的采用jd5进行评测(github.com/masnn/jd5)

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