Park Visit Problem Description Claire and her little friend, ykwd, are travelling in Shevchenko's Park! The park is beautiful - but large, indeed. N feature spots in the park are connected by exactly (N-1) undirected paths, and Claire is too tired to
传送门 Park Visit Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3721 Accepted Submission(s): 1667 Problem Description Claire and her little friend, ykwd, are travelling in Shevchenko's Park! T
A zero-indexed array A consisting of N integers is viven. We visit the indexs of the array in the following way. In the first step we visit the index 0; in every subsequent step we move from the visited index K to the index: M = K + A[K]; provided M
坚持~坚持~坚持~! Have you ever been to Costa Rica? 你有没有去过哥斯达黎加? No I haven't.Have you? 没有,你去过吗? I just got back from a week in Costa Rica! 我刚去哥斯达黎加度了一周假. It was the best experience of my life! 那是我一生最棒的经历! How was your trip? 你的旅行怎么样 It was the best experien
Problem Description Claire and her little friend, ykwd, are travelling in Shevchenko's Park! The park is beautiful - but large, indeed. N feature spots in the park are connected by exactly (N-1) undirected paths, and Claire is too tired to visit all
在QGraphicsScene上添加2个自定义的Item 的时候 然后移动这2个Item 在删除的时候 出现错误.定位到QGraphicsSceneFindItemBspTree Visitor这个函数上. 其他的Item都是好的.在代码上也没找到错误. google了下 貌似不是自己的原因 是qt本身的一个BUG: Crash in QGraphicsSceneBspTree when adding items in response to a mouse press and adjustin