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C. Minimal string 题目链接:http://codeforces.com/problemset/problem/797/C time limit per test 1 second memory limit per test 256 megabytes input standard 阅读全文
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B. Odd sum 题目链接:http://codeforces.com/problemset/problem/797/B time limit per test 1 second memory limit per test 256 megabytes input standard input o 阅读全文
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E. Array Queries 题目链接:http://codeforces.com/problemset/problem/797/E time limit per test 2 seconds memory limit per test 256 megabytes input standard 阅读全文
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B. Candy Boxes 题目链接:http://codeforces.com/problemset/problem/488/B time limit per test 1 second memory limit per test 256 megabytes input standard inp 阅读全文
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A. k-Factorization 题目链接:http://codeforces.com/problemset/problem/797/A time limit per test 2 seconds memory limit per test 256 megabytes input standar 阅读全文