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# 题目链接

I Hate It # **Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 53991 Accepted Submission(s): 21180 **

B - Layer Cake **Time Limit:**6000MS **Memory Limit:**524288KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 589B Description Dasha decided to bake a big and tasty layer cake. In order to do that she went shopping and bought n rectangular cake layers. The length and the width of the i-th cake layer were a__i and b__i respectively, while the height of each cake layer was equal to one.

M - Bounty hunter **Time Limit:**5000MS **Memory Limit:**65536KB 64bit IO Format:%lld & %llu Submit Status Description Bounty hunter is a hero who always moves along cities to earn money by his power. One day he decides to N cities one by one

I - Lottery **Time Limit:**2000MS **Memory Limit:**524288KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 589I Description Today Berland holds a lottery with a prize – a huge sum of money! There are k persons, who attend the lottery. Each of them will receive a unique integer from 1 to k.