JSCPC Chika and Friendly Pairs(莫队+树状数组+离散化)
Chika and Friendly PairsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 0Accepted Submission(s): 0Problem DescriptionChika gives ...
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2019-05-19 13:40:56 ·
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