DP的四边形不等式优化
摘要:关于DP的优化方法有很多种,低级的有矩阵快速幂,高级一点的比如四边形不等式优化、斜率优化等等。因为在动态规划中,有这样的一类问题状态转移方程 dp[i][j]=min{dp[i][k-1]+dp[k][j]}+w[i][j] (k>i&&ki&&k 2 #include 3 #include 4...
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2014-08-15 16:28
wkxnk
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POJ 3734 Blocks
摘要:POJ 3734 BlocksTime Limit:1000MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uDescriptionPanda has received an assignm...
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2014-08-14 22:39
wkxnk
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Codeforces #260 div. 2 C. Boredom
摘要:C. Boredomtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAlex doesn't like boredom. That's why w...
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2014-08-10 13:16
wkxnk
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