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Petya is well-known with his famous cabbage patties. Petya‘s birthday will come very soon, and he wants to invite as many guests as possible. But the boy wants everybody to try his specialty of the house. That‘s why he needs to know the number of the patties he can cook using the stocked ingredients. Petya has P grams of flour, M milliliters of milk and C grams of cabbage. He has plenty of other ingredients. Petya knows that he needs K grams of flour, R milliliters of milk and V grams of cabbage to cook one patty. Please, help Petya calculate the maximum number of patties he can cook.
Peyta因为他的白菜馅饼非常知名。Peyta的生日快要到了,他想邀请尽可能多的宾客参加他的生日晚会。但是男孩们希望每个人都希望展示自己居家的特长。这就是为什么他希望知道他能够使用备用原料制作多少个馅饼。Petya有P克面粉,M毫升牛奶,C克白菜。他还有很多其他的原料。Peyta知道他需要K克面粉,R毫升牛奶,V克白菜来制作一个馅饼。请你帮Peyta计算一下他最多能够制作多少个馅饼。
The input file contains integer numbers P, M, C, K, R and V, separated by spaces and/or line breaks (1 <= P, M, C, K, R, V <= 10000).
输入文件包含P,M,C,K,R,V,以空格或换行分隔(1 <= P, M, C, K, R, V <= 10000)。
Output the maximum number of patties Petya can cook.
输出Petya最多能够制作的馅饼数。
3000 1000 500
30 15 60
8
简单的数学分析就知道,所求答案为P / K, M / R, C / V的最小值。
#include <iostream> using namespace std; int min(int x, int y, int z); int main() { int P, M, C, K, R, V; cin >> P >> M >> C; cin >> K >> R >> V; cout << min(P / K, M / R, C / V) << endl; return 0; } int min(int x, int y, int z) { return min(x, min(y, z)); }
这道题目涉及到的一个数学思想是——短板理论。
也就是决定能够制作多少个馅饼的数目是由各个原料能够制作的馅饼数的最小值来决定的。
短板理论在我们的日常生活中也很常见。我们也要经常发现自己的短板所在,并对其进行提升,进一步的完善自我,提升自我。
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原文地址:http://www.cnblogs.com/Ivy-End/p/4262917.html