排序题目存题

https://pintia.cn/problem-sets/994805342720868352/exam/problems/994805410555346944

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https://pintia.cn/problem-sets/994805342720868352/exam/problems/994805468327690240

https://pintia.cn/problem-sets/994805342720868352/exam/problems/994805421066272768

https://pintia.cn/problem-sets/994805342720868352/exam/problems/994805393241260032

https://pintia.cn/problem-sets/994805342720868352/exam/problems/994805383929905152

https://pintia.cn/problem-sets/994805342720868352/exam/problems/994805387268571136

https://pintia.cn/problem-sets/994805342720868352/exam/problems/994805371602845696