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1001 害死人不偿命的(3n+1)猜想 (15)（15 分） 卡拉兹(Callatz)猜想： 对任何一个自然数n，如果它是偶数，那么把它砍掉一半；如果它是奇数，那么把(3n+1)砍掉一半。这样一直反复砍下去，最后一定在某一步得到n=1。卡拉兹在1950年的世界数学家大会上公布了这个猜想，传说当时耶 阅读全文
posted @ 2018-05-29 00:27
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2^x mod n = 1 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 18742 Accepted Submission(s): 5860 阅读全文
posted @ 2018-05-25 11:28
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Drainage Ditches Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 83222 Accepted: 32330 Description Every time it rains on Farmer John's fie 阅读全文
posted @ 2018-05-25 01:39
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邂逅明下 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5668 Accepted Submission(s): 2653 Problem De 阅读全文
posted @ 2018-05-25 01:07
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kiki's game Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 40000/10000 K (Java/Others)Total Submission(s): 12564 Accepted Submission(s): 7633 Pr 阅读全文
posted @ 2018-05-25 00:45
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Good Luck in CET-4 Everybody! Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 12425 Accepted Subm 阅读全文
posted @ 2018-05-25 00:15
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Play a game Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3643 Accepted Submission(s): 2958 Pro 阅读全文
posted @ 2018-05-24 23:50
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悼念512汶川大地震遇难同胞——选拔志愿者 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11433 Accepted Submission(s 阅读全文
posted @ 2018-05-24 23:01
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取石子游戏 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7416 Accepted Submission(s): 4433 Problem D 阅读全文
posted @ 2018-05-24 22:51
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A Multiplication Game Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6815 Accepted Submission(s) 阅读全文
posted @ 2018-05-24 22:33
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