RT
原题中是
Let SuS_uSu be the set of vertices in the longest simple cycle starting and ending at uuu . Let CuC_uCu be the union of the sets of vertices in any simple cycle starting and ending at uuu . Su=CuS_u = C_uSu=Cu .
与翻译中的
对于任意点,包含它的任何简单环长度相等。
并不相同。(可以看样例2)