摘要:题目链接: 4517: [Sdoi2016]排列计数 Description 求有多少种长度为 n 的序列 A,满足以下条件: 1 ~ n 这 n 个数在序列中各出现了一次 若第 i 个数 A[i] 的值为 i,则称 i 是稳定的。序列恰好有 m 个数是稳定的 满足条件的序列可能很多,序列数对 10
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摘要:A. Buy a Shovel time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Buy a Shovel time limi
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摘要:题目链接: The Next Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1766 Accepted Submission(s): 669 P
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摘要:题目链接: Find a path Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1557 Accepted Submission(s): 67
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摘要:题目链接: http://codeforces.com/contest/724 A. Checking the Calendar time limit per test 1 second memory limit per test 256 megabytes input standard input
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摘要:题目链接: A. Borya and Hanabi time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit per
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摘要:题目链接: C. Artem and Array time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit per
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摘要:题目链接: B. Andrey and Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit p
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摘要:题目链接: Sequence I Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 687 Accepted Submission(s): 262
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摘要:题目链接: I. Special Squares There are some points and lines parellel to x-axis or y-axis on the plane. If arbitrary chosen two lines parallel to x-axis a
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摘要:题目链接: Auxiliary Set Time Limit: 9000/4500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 521 Accepted Submission(s): 1
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摘要:题目链接: Basic Data Structure Time Limit: 7000/3500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 207 Accepted Submissio
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摘要:题目链接: Sequence II Time Limit: 9000/4500 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 628 Accepted Submission(s): 1
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摘要:题目链接: Ugly Problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 363 Accepted Submission(s): 13
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摘要:题目链接: C. Journey time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output time limit per test 3 s
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摘要:题目链接: B. Passwords time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit per test 2
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