摘要:
Suppose there are 5 types of coins: 50-cent, 25-cent, 10-cent, 5-cent, and 1-cent. We want to makechanges with these coins for a given amount of money 阅读全文
摘要:
Suppose there are 5 types of coins: 50-cent, 25-cent, 10-cent, 5-cent, and 1-cent. We want to makechanges with these coins for a given amount of money 阅读全文
摘要:
解决背包问题的第一步就是先找到背包的容积还有物品价值和单个体积。。 01背包: 状态转移方程:dp[i + 1][j ] =max(dp[i ][j ]; dp[i ][j w[i ]] + v[i ]) 其他 =dp[i ][j ] (j < w[i ]) 核心代码: int dp[ MAX 阅读全文
摘要:
可怜的POIUYTREWQ最近想买下dota2的商品,但是手头缺钱。他想起了之前看过的一部大片,觉得抢银行也许是个不错的选择。他认为,坏人被抓是因为没有预先规划。于是他在之前的几个月对各大银行进行了一次评估; 评估内容包括安全性和可盗窃金额: 他想知道在在某个风险系数下可以偷窃的最大金额 Input 阅读全文
摘要:
在 ACM 能够开展之前,必须准备预算,并获得必要的财力支持。该活动的主要收入来自于 Irreversibly Bound Money (IBM)。思路很简单。任何时候,某位 ACM 会员有少量的钱时,他将所有的硬币投入到小猪储钱罐中。这个过程不可逆,因为只有把小猪储钱罐打碎才能取出硬币。在足够长的 阅读全文
摘要:
You have a long drive by car ahead. You have a tape recorder, but unfortunately your best music is on CDs. You need to have it on tapes so the problem 阅读全文
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