作者查詢 / bbhands
作者 bbhands 在 PTT 全部看板的留言(推文), 共438則
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4F→:我覺得是true,subtree不一定要proper subtree12/14 16:05
8F→:leaf所對應的subtree就是它自己本身吧12/14 22:19
3F→:1.不會無窮,因為path的length是n-112/14 16:18
4F→:5.假設兩個component各有k, 6-k個點(0<k<6)12/14 16:19
5F→:則最大邊數和為10 (by complete graph & 配方法)12/14 16:20
6F→:22.f({1, 2, 3, 4, 5}) 代表 {f(1),f(2),f(3),f(4),f(5)}12/14 16:25
7F→:因此|f({1,2,3,4,5})|=3 代表{1,2,3,4}只有3個值被對到12/14 16:26
8F→:所以答案是 25*C(4,3)*3!12/14 16:26
9F→:31.n個相同物分成非空3堆的公式:取和n^2/12最接近的整數12/14 16:32
10F→:所以100/12=8.333 => 答案為812/14 16:35
2F推:等號不會成立08/25 17:07
2F→:7.連OE、OF,易證OMN和OAB相似,面積比=(高的比)^207/09 21:59
1F→:X_3 = 0, 2, 4, 6代入07/08 23:56
5F推:每個星期幾乎都有直接丟洗衣機 好好的沒事07/06 21:18
1F推:不限定simple的話K_k加條邊就好07/05 22:11
2F→:2x/(2+2yz)=2x/(x^2+(y+z)^2+1)<=2x/((x+y+z)^2/2+1)07/05 14:19
3F→:合併三項, 算幾, 討論等號成立(柯西+算幾)07/05 14:19
1F推:相撲手海苔好吃~04/09 00:16
433F推:[徵]台北/全新未拆/站內信/9500 自取10/10 23:09