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https://ac.nowcoder.com/acm/contest/322#question A.dreamstart的催促 代码： #include <cstdio> #include <cstring> #include <iostream> using namespace std; con 阅读全文
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https://pintia.cn/problem-sets/994805342720868352/problems/994805409175420928 Given two sets of integers, the similarity of the sets is defined to be 阅读全文
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https://pintia.cn/problem-sets/994805342720868352/problems/994805485033603072 Suppose that all the keys in a binary tree are distinct positive integer 阅读全文
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https://leetcode.com/problems/construct-string-from-binary-tree/ You need to construct a string consists of parenthesis and integers from a binary tre 阅读全文
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https://pintia.cn/problem-sets/994805342720868352/problems/994805349394006016 Suppose that all the keys in a binary tree are distinct positive integer 阅读全文
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https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/ Given inorder and postorder traversal of a tree, construct t 阅读全文
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https://leetcode.com/problems/trim-a-binary-search-tree/ Given a binary search tree and the lowest and highest boundaries as L and R, trim the tree so 阅读全文
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https://pintia.cn/problem-sets/994805342720868352/problems/994805415005503488 Given any positive integer N, you are supposed to find all of its prime 阅读全文
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http://codeforces.com/contest/1092/problem/D2 Vova's family is building the Great Vova Wall (named by Vova himself). Vova's parents, grandparents, gra 阅读全文
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http://codeforces.com/contest/1092/problem/D1 Vova's family is building the Great Vova Wall (named by Vova himself). Vova's parents, grandparents, gra 阅读全文