摘要:
K-inversions Time limit: 1.0 secondMemory limit: 64 MB Consider a permutation a1, a2, …, an (all ai are different integers in range from 1 to n). Let 阅读全文
posted @ 2016-08-25 13:00
mxzf0213
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摘要:
Recover the String time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Recover the String tim 阅读全文
posted @ 2016-08-25 10:09
mxzf0213
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