1.列表实例：由字符串创建一个作业评分列表，做增删改查询统计遍历操作。例如，查询第一个3分的下标，统计1分的同学有多少个，3分的同学有多少个等。 运行结果： 2.字典实例：建立学生学号成绩字典，做增删改查遍历操作。 运行结果： 3.列表，元组，字典，集合的遍历。 总结列表，元组，字典，集合的联系与区 ...
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其他好文 时间：
2017-09-21 21:19:15
阅读次数：
217
3126: [Usaco2013 Open]Photo Description Farmer John has decided to assemble a panoramic photo of a lineup of his N cows (1 <= N <= 200,000), which, as ...
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其他好文 时间：
2017-09-21 20:59:30
阅读次数：
196
[USACO07DEC]观光奶牛Sightseeing Cows 题目描述 Farmer John has decided to reward his cows for their hard work by taking them on a tour of the big city! The cow ...
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其他好文 时间：
2017-09-15 20:31:57
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284
题目描述 Farmer John has decided to reward his cows for their hard work by taking them on a tour of the big city! The cows must decide how best to spend t ...
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其他好文 时间：
2017-09-15 20:21:39
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199
Arranging Hat is a cushy job indeed; high impact work, absolute authority, and 364 days of holiday every year. However, the hat has decided that it ca ...
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其他好文 时间：
2017-09-15 02:16:46
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203
P2868 [USACO07DEC]观光奶牛Sightseeing Cows P2868 [USACO07DEC]观光奶牛Sightseeing Cows P2868 [USACO07DEC]观光奶牛Sightseeing Cows 题目描述 Farmer John has decided to r ...
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其他好文 时间：
2017-09-14 21:35:07
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243
$课文65 小象对警察 683. Last Christmas, the circus owner, Jimmy Gates, decided to take some presents to a children's hospital. 去年圣诞节，马戏团老板吉米.盖茨决定送些礼物给儿童医院。 6 ...
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其他好文 时间：
2017-09-14 10:47:13
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201
[Usaco2014 Mar]Sabotage 题目 Farmer John"s arch-nemesis, Farmer Paul, has decided to sabotage Farmer John"s milking equipment! The milking equipment con ...
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其他好文 时间：
2017-09-13 22:10:33
阅读次数：
186
Description As a reward for record milk production, Farmer John has decided to start paying Bessie the cow a small weekly allowance. FJ has a set of c ...
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其他好文 时间：
2017-09-12 13:43:04
阅读次数：
194
D. Roads in Yusland Mayor of Yusland just won the lottery and decided to spent money on something good for town. For example, repair all the roads in ...
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其他好文 时间：
2017-09-08 14:55:13
阅读次数：
199
