[UVA][圓并、圓交、周長] 10969 - Sweet Dream
Problem F
Sweet Dream
Are
you ready to have a sweet dream? OK! Close your eyes (Hey! Do NOT! I was
kidding! How can you read the problem statement with your eyes closed? Umm! Let
me think . . . Yes! There is a good solution to this problem. Simply, hand this
pap...