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Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 64964 Accepted: 30260 Case Time Limit: 2000MS Description For the daily milking, Farmer Joh 阅读全文
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Problem Description people in USSS love math very much, and there is a famous math problem .give you two integers n,a,you are required to find 2 integ 阅读全文
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LATTICE is learning Digital Electronic Technology. He is talented, so he understood all those pieces of knowledge in 10^{-9}10−9 second. In the next 1 阅读全文
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Description 有重量和价值分别为 wi ( 1 ≤ wi ≤ 1015 )、vi ( 1 ≤ vi ≤ 1015 ) 的 n (1 ≤ n ≤ 40 )个物品。从这些物品中挑选总重量不超过 C (1 ≤ C ≤ 1015)的物品,求所选挑选方案中价值总和的最大值。 有重量和价值分别为 wi 阅读全文
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Description 有重量和价值分别为 wi ( 1 ≤ wi ≤ 1015 )、vi ( 1 ≤ vi ≤ 1015 ) 的 n (1 ≤ n ≤ 40 )个物品。从这些物品中挑选总重量不超过 C (1 ≤ C ≤ 1015)的物品,求所选挑选方案中价值总和的最大值。 有重量和价值分别为 wi 阅读全文
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Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16957 Accepted: 5896 Description Windy has a country, and he wants to build an army to prot 阅读全文