Lucky Light
Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 272 Accepted Submission(s): 74
Problem Description
We have a (point)...
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其他好文 时间:
2014-05-18 18:44:16
阅读次数:
273
题目链接:
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题目:
Whuacmers use coins.They have coins of value A1,A2,A3...An Silverland dollar. One day Hibix opened purse and found there were some coins. He decided to buy a very nice watch...
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其他好文 时间:
2014-05-18 15:56:34
阅读次数:
264
Labyrinth
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 1804 Accepted Submission(s): 626
Problem Description
度度熊是一只喜欢探险的熊,一次偶然落进了一个m*n...
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其他好文 时间:
2014-05-18 15:29:46
阅读次数:
252
Disk Schedule
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 1463 Accepted Submission(s): 189
Problem Description
有很多从磁盘读取数据的需求,包括顺序读取、...
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其他好文 时间:
2014-05-18 13:30:44
阅读次数:
438
Singles' Day
Time Limit:2000MS Memory Limit:65536KB 64bit IO Format:%lld
& %llu
Submit Status
Description
Singles' Day(or One's Day), an unofficial holiday in China, is a p...
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其他好文 时间:
2014-05-18 09:29:15
阅读次数:
301
Tour
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 3408
Accepted: 1513
Description
John Doe, a skilled pilot, enjoys traveling. While on vacation, he rents...
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其他好文 时间:
2014-05-18 07:16:45
阅读次数:
385
dp[i]=max(dp[i],dp[j]+1) ja[i]
dp[i]表示长度为i的最长下降子序列的长度。
r[i]表示长度为i的最长下降子序列的方案数。
考虑这样一个问题,比如6 3 9 3,对于两个3,他们数字一样并且dp值也一样,那么r[2]的方案数是没有意义的
因为能通过第一个3扩展的也能通过第二个3扩展,所以直接把r[2]=0。
对于一次扩展若dp[j]+1==dp[i],则...
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其他好文 时间:
2014-05-18 06:31:43
阅读次数:
249
Energy Conversion
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 7787 Accepted Submission(s): 1894
Problem Description
魔法师百小度也有遇到难题的时...
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其他好文 时间:
2014-05-18 05:23:02
阅读次数:
341
Xor Sum
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 132768/132768 K (Java/Others)
Total Submission(s): 4445 Accepted Submission(s): 652
Problem Description
Zeus 和 Prometheus 做了一个游戏,...
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其他好文 时间:
2014-05-18 05:21:59
阅读次数:
277
Treasure Hunt IV
Time Limit: 2 Seconds Memory Limit: 65536 KB
Alice is exploring the wonderland, suddenly she fell into a hole, when she woke up, she found there are b - a + 1 treasures...
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其他好文 时间:
2014-05-18 04:09:03
阅读次数:
248