传送门 Description Hasan and Bahosain want to buy a new video game, they want to share the expenses. Hasan has a set of N coins and Bahosain has a set of M coins. The video game costs W JDs. Find the number of ways in which they can pay exactly W JDs su
[题目描述:] 约翰遭受了重大的损失:蟑螂吃掉了他所有的干草,留下一群饥饿的牛.他乘着容量为C(1≤C≤50000)个单位的马车,去顿因家买一些干草. 顿因有H(1≤H≤5000)包干草,每一包都有它的体积Vi(l≤Vi≤C).约翰只能整包购买, 他最多可以运回多少体积的干草呢? [输入格式:] Line 1: Two space-separated integers: C and H Lines 2..H+1: Each line describes the volume of a singl
代码: import numpy as np c=10 #背包容量 w=[2,2,6,5,4] #物品重量 v=[5,3,5,4,6] #物品价值 flag =[0,0,0,0,0] m=np.zeros([5,11],int) #用来保存 5x11的矩阵 for j in range(c+1): #初始化第一行 if(w[0]<=j): m[0][j]=v[0] flag[0] = 1 for i in range(1,5): for j in range(c+1): if (j<w[i])
饭卡 Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 43147 Accepted Submission(s): 14772 Problem Description 电子科大本部食堂的饭卡有一种很诡异的设计,即在购买之前判断余额.如果购买一个商品之前,卡上的剩余金额大于或等于5元,就一定可以购买成功(即使购买后卡上余额为负),否则无
I NEED A OFFER! Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 40874 Accepted Submission(s): 16228 Problem Description Speakless很早就想出国,现在他已经考完了所有需要的考试,准备了所有要准备的材料,于是,便需要去申请学校了.要申请国外的任何大学,你