本贴会持续更新
题目链接:https://iai.sh.cn/problem/638
知识点:动态规划
题解链接:https://pastebin.ubuntu.com/p/jVtYvQK8dD/
题目链接:https://iai.sh.cn/problem/640
知识点:区间合并+基础数学
题解链接:https://pastebin.ubuntu.com/p/6x3HJ9TCBm/
惭愧,好像是博弈论之类,不会。我选择躺平。
题目链接:https://iai.sh.cn/problem/647
知识点:扩展欧几里德算法
题解链接:https://pastebin.ubuntu.com/p/SkSpXjDRWM/
题目链接:https://iai.sh.cn/problem/591
知识点:动态规划
题解链接:https://pastebin.ubuntu.com/p/zhvmFzG2wB/
题目链接:https://iai.sh.cn/problem/633
知识点:中位数
题解链接:https://pastebin.ubuntu.com/p/hKn8N5wpm3/
题目链接:https://iai.sh.cn/problem/627
知识点:反悔贪心
题解链接:https://pastebin.ubuntu.com/p/6gBhDD4KZ6/
题目链接:https://iai.sh.cn/problem/645
知识点:找规律
题解链接:https://pastebin.ubuntu.com/p/9gxpDZ69Xp/
题目链接:https://iai.sh.cn/problem/635
知识点:优化曼哈顿距离
题解链接:https://blog.csdn.net/justidle/article/details/124520401
题目链接:https://atcoder.jp/contests/abc246/tasks/abc246_c
知识点:贪心
题解链接:https://pastebin.ubuntu.com/p/gJgQyqrvmp/
题目链接:https://atcoder.jp/contests/abc246/tasks/abc246_d
知识点:二分答案
题解链接:https://pastebin.ubuntu.com/p/vFRzkG5Vgp/
题目链接:https://atcoder.jp/contests/abc246/tasks/abc246_e
知识点:01BFS
题目链接:https://atcoder.jp/contests/abc247/tasks/abc247_b
知识点:暴力枚举
题解链接:https://pastebin.ubuntu.com/p/HBfyB2zDny/
题目链接:https://atcoder.jp/contests/abc247/tasks/abc247_c
知识点:递归语法
题解链接:https://pastebin.ubuntu.com/p/GRnbYB8P6V/
题目链接:https://atcoder.jp/contests/abc247/tasks/abc247_d
知识点:链表
题解链接:https://pastebin.ubuntu.com/p/GzQB6zV7ys/
题目链接:https://atcoder.jp/contests/abc249/tasks/abc249_a
入门签到题,但是题面开始的时候竟然出错了。然后就WA一次。
题解链接:https://pastebin.ubuntu.com/p/h9SsGXhYN9/
题目链接:https://atcoder.jp/contests/abc249/tasks/abc249_b
知识点:统计字母数量
题解链接:https://pastebin.ubuntu.com/p/Pd4hfzDgVX/
题目链接:https://atcoder.jp/contests/abc249/tasks/abc249_c
知识点:DFS
题解链接:
使用STL版本,速度是慢,需要 71 71 71ms。https://pastebin.ubuntu.com/p/yNy2WqJZNy/
使用数组版本,速度确实起飞,只需要 9 9 9ms。https://pastebin.ubuntu.com/p/KrTwN7WMph/
题目链接:https://atcoder.jp/contests/abc249/tasks/abc249_d
知识点:数据统计
题解链接:https://pastebin.ubuntu.com/p/vV4DGJQyB6/
题目链接:https://www.acwing.com/problem/content/4417/
题解链接:https://pastebin.ubuntu.com/p/J4mdsyKJmf/
题目链接:https://www.acwing.com/problem/content/4418/
题解链接:https://pastebin.ubuntu.com/p/t7TCShxTNR/