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[ 每日一题 ] AcWing 3761. 唯一最小数

*DDL_GzmBlog 发布时间：2021-07-13 08:22:20 ，浏览量：5

题意
思路
CODE

题意

n个数中找到只出现一次且是最小的数输出这个数的下标

思路

数据范围 2e4 (t) 和 2e5 (n) 好家伙直接枚举一遍的话都4e9了 (但是没关系 cf 有时候1e10都能跑)

所以秉承着数据不会卡我 1e9又如何的陋习直接把一个普通做法交上去了

对数的下标进行映射存放
对数值重复出现的个数进行统计

CODE

#include 
#define  CYE cout


    
        
            
                
                
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                [算法总结目录]
第 68 场周赛
[Acwing] 第 67 场周赛
[Acwing] 第66场周赛 4607.字母补全
[Acwing] 第 60 场周赛 C-AcWing 4496. 吃水果
[Acwing]第 60 场周赛 B- 4495. 数组操作
[cf] 805 div3 F. Equate Multisets
[Acwing] 342. 道路与航线
[算法总结与提升] 离散化
[ARC] AtCoder Regular Contest 075






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[8192] Array and string offset access syntax with curly braces is deprecated /www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache/Driver/File.class.php 第 59 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 37 行.
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[ 每 日 一 题 ] AcWing 3761. 唯一最小数

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[ 每日一题 ] AcWing 3761. 唯一最小数