原创 1.4 milk3 倒牛奶
廣度優先搜索，用數組記錄到達過的狀態 Mother's Milk Farmer John has three milking buckets of capacity A, B, and C liters. Each of the nu
2020-06-21 20:24:52
原创 1.4 ariprog
暴力搜索，儘可能的提高效率 Arithmetic Progressions An arithmetic progression is a sequence of the form a, a+b, a+2b, ..., a+nb w
2020-06-21 20:24:52
原创 1.4 clocks 枚舉
注意轉變思路，每個操作最多執行三次，所有解空間是4**9個，枚舉所有可能的操作 鐘錶a受影響的操作有1，3，4 用上述方法，判斷每個操作後的狀態 輸出即可 The Clocks IOI'94 - Day 2 Consider nine
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原创 1.3 crypt1 簡單枚舉
Prime Cryptarithm The following cryptarithm is a multiplication problem that can be solved by substituting digits from
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原创 1.5 numtri
Number Triangles Consider the number triangle shown below. Write a program that calculates the highest sum of numbers t
2020-06-21 20:24:52
原创 一種靈活的find_if的第三個參數----函數對象
find_if的一個實現 template<class T,class Pred> T find_if(T first, T last, Pred pred) { while(first!last && !pred(*fir
2020-02-21 20:53:25
原创 1.5 超級肋骨質數
Superprime Rib Butchering Farmer John's cows always yields the best prime rib. You can tell prime ribs by looking at t
2020-02-21 20:53:25
原创 1.1 transform 簡單模擬
自己寫的代碼很醜。 要注意旋轉和鏡像對應到二維數組時對應的操作 Transformations A square pattern of size N x N (1 <= N <= 10) black and white squa
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原创 1.3 mixing milk 簡單貪心算法
Mixing Milk Since milk packaging is such a low margin business, it is important to keep the price of the raw product (m
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原创 1.2 palsquare 轉化爲對應進制，再判斷是否爲迴文
Palindromic Squares Rob Kolstad Palindromes are numbers that read the same forwards as backwards. The number 12321 i
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原创 1.2 namenum 遞歸枚舉
Name That Number Among the large Wisconsin cattle ranchers, it is customary to brand cows with serial numbers to please
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原创 1.5 迴文質數
Prime Palindromes The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the sa
2020-02-21 20:53:25
原创 1.3 Barn Repair 修理牛棚，還是貪心算法
書讀百遍，其意自見。 還是一道貪心算法的題目，貪心的核心就是從局部最優解推得全局最優解。 Barn Repair It was a dark and stormy night that ripped the roof and ga
2020-02-21 20:53:25
原创 流迭代器
我們可以用這種方式容易的表示輸入和輸出流，例如： ofstream_iterator<string> oo(cout); //assigning to *oo is to write to cout *oo = "Hello,";
2020-02-21 20:53:25
原创 一個月了
不知不覺自己開這個博客已經一個月了，這真是值得銘記的一個月啊。 這個月前面那陣，自己還挺有狀態的，看書，做題，寫博客，不亦樂乎。可以校醫院那個江湖醫生打亂了這一切，她着實嚇了我一條。那幾天，自己真的是都沒有信心了，真是自己
2020-02-21 20:53:25