Today, Jelly gets N items. The ith item has two attributes which are Ai and Bi. For the ith item, we have: Now, Jelly wants to calculate: He has too little time, so he asks you for help.
Today, Jelly gets N items. The ith item has two attributes which are Ai and Bi. For the ith item, we have: Now, Jelly wants to calculate: He has too little time, so he asks you for help.

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标签: HBC15336Hero题解