摘要：
B. Quasi Binary time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A number is called quasi 阅读全文
摘要：
B. Fence time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. Fence time limit per test 1 s 阅读全文
摘要：
C. Number of Ways time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You've got array a[1], 阅读全文
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B. Sereja and Suffixes time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Sereja has an arra 阅读全文
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A. Joysticks time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Joysticks time limit per 阅读全文
摘要：
B. Beautiful Paintings time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. Beautiful Paint 阅读全文
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B. Cormen — The Best Friend Of a Man time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. C 阅读全文
摘要：
B. Ilya and Queries time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output B. Ilya and Queries 阅读全文
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A. Two Substrings time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Two Substrings time 阅读全文
摘要：
B. BerSU Ball time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. BerSU Ball time limit pe 阅读全文