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原创 cv 产生anchor代码解读
import numpy as npdef generate_anchors(scales, ratios, shape, feature_stride, anchor_stride): """ scales: 1D array of anchor sizes in pixels. Example: [32, 64, 128] ratios: 1D array o...
2019-05-15 12:55:10
386
1
转载 numpy argsort排序函数
https://blog.youkuaiyun.com/sunshine_in_moon/article/details/48803851
2018-10-06 17:34:41
224
转载 numpy.cov() 计算协方差矩阵
https://blog.youkuaiyun.com/chixujohnny/article/details/51063562
2018-10-06 17:16:53
1002
原创 python knn分类算法
import mathimport operatordef euclideanDistance(inst1,inst2,length): distance=0 for x in range(length): distance+=pow((inst1[x]-inst2[x]),2) return math.sqrt(distance)def getN...
2018-09-13 15:14:02
219
原创 python网格编程 mnist
import numpyimport scipy.specialimport matplotlib.pyplotclass neuralNetwork: def __init__(self,inputnodes,hiddennodes,outputnodes,learningrate) : self.inodes=inputnodes self.hno...
2018-09-10 21:25:48
963
原创 pat python B1046
num=int(input())qw=[[0 for col in range(0,4)] for row in range(0,num)]for i in range(0,num): qw[i]=input().split(" ")num1,num2=0,0for i in range(0,num): if int(qw[i][0])+int(qw[i][2])...
2018-09-03 13:18:38
155
原创 python PAT B1016
A,a,B,b=input().split()num1=A.count(a)num2=B.count(b)qw=''qw2=''if num1==0:qw=0if num2==0:qw2=0for i in range(0,num1): qw+=afor i in range(0,num2): qw2+=bprint(int(qw)+int(qw2))
2018-08-30 14:54:07
174
原创 PAT B1011 A+B 和 C(15 分)
num=int(input())for i in range(0,num): a,b,c=input().split() a=int(a) b=int(b) c=int(c) if a+b>c: print('Case #{}: {}'.format(i+1,'true')) else:print('Case #{}: {}'...
2018-08-29 12:24:10
400
原创 git常用命令
git config user.name""去掉引号可以查看git config user.email""去掉引号可以查看mkdir 创建文件夹cd 进入文件夹git init 初始gitnano-- 用nano编辑器编辑文件git add跟踪文件git commit -m""添加版本库git commit -am“”跟踪后直接提交到版本库git log查看提交信giygit ...
2018-07-25 13:10:19
147
原创 PAT程序设计考题——甲级1094(The largest generation) C++实现
#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010 struct node{ vector child; int level;
2017-07-21 18:42:00
306
原创 PAT程序设计考题——甲级1090( Highest Price in Supply Chain ) C++实现
点击打开链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010 struct node{//记录最长路径 和个数还有更好的方法
2017-07-21 14:17:20
322
原创 PAT程序设计考题——甲级1079( Total Sales of Supply Chain ) C++实现
点击打开链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct node{ int pnum; vector c
2017-07-21 13:27:17
522
原创 PAT程序设计考题——甲级1102( Invert a Binary Tree ) C++实现
#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct node{//由于题目中直接 给出了节点关系 用静态二叉树比较方便
2017-07-21 01:44:01
262
原创 PAT程序设计考题——甲级1086( The best rank ) C++实现
点击打开链接 #include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct node{ int id; nod
2017-07-20 02:04:04
304
原创 PAT程序设计考题——甲级1053( Path of Equal Weight) C++实现
#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010int s;struct node{//注意为什么才用先更遍历 是因为到达某个节点
2017-07-18 00:31:27
325
原创 PAT程序设计考题——甲级1012( The best rank ) C++实现
自认为完美 但有两分没有调试成功点击打开链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct subject{
2017-07-16 01:52:15
615
原创 PAT程序设计考题——甲级1020( Tree traverse ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010int pre[maxn];int post[maxn];
2017-07-14 20:18:40
335
原创 PAT程序设计考题——甲级1082( Read Number in Chinese ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010 int store[maxn];int num;str
2017-07-14 00:11:32
356
原创 PAT程序设计考题——甲级1077(Kuchiguse ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010 vector sto; string temp;voi
2017-07-12 19:30:08
253
原创 PAT程序设计考题——甲级1035( Password ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010bool modefy[maxn]={false};str
2017-07-11 23:26:26
246
原创 PAT程序设计考题——甲级1058(A+B in Hogwarts ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010int result[3]={0};int main()
2017-07-11 21:16:46
340
原创 PAT程序设计考题——甲级1027(Colors in Mars ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010int store[maxn]={0};int num,ba
2017-07-11 20:58:52
322
原创 PAT程序设计考题——甲级1019( General Palindromic Number ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010int store[maxn];int num,base;
2017-07-11 20:03:42
307
原创 PAT程序设计考题——甲级1031(Hello World for U) C++实现
#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010int main(){ string a; cin>>a; int m=a
2017-07-11 19:18:24
271
原创 PAT程序设计考题——甲级1036( Boys vs Girls ) C++实现
#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct stu{ string gender;//gender这里表示名字
2017-07-11 16:14:30
296
原创 PAT程序设计考题——甲级1006(Sign In and Sign Out ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct member{ string id;
2017-07-11 12:47:14
361
原创 PAT程序设计考题——甲级1011( World Cup Betting ) C++实现
#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct ticket{ int result; double weigh
2017-07-11 12:00:12
303
原创 PAT程序设计考题——甲级1030(Travel Plan) C++实现
点击打开pat链接#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct highway{ int end; int
2017-07-11 11:27:19
340
原创 用SPFA求解最短路径问题
#include #include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct edge{//对此算法统计最短路径条数,和最大点权不太清楚 int
2017-07-11 09:26:11
364
原创 PAT程序设计考题——甲级1003(Emergency ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct edge{ int end,weight;};st
2017-07-10 01:03:21
336
原创 PAT程序设计考题——甲级1043(Is It a Binary Search Tree ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct node{ int num; node *lchild,*
2017-07-08 00:21:03
381
原创 PAT程序设计考题——甲级1066(Root of AVL Tree ) C++实现
点击打开pat链接#include#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct node{ int num,height; node *
2017-07-06 01:02:55
314
原创 PAT程序设计考题——甲级1009( Product of Polynomials ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct polo{ int zhi; double xi;};
2017-07-05 00:17:43
351
原创 PAT程序设计考题——甲级1107( Social clusters并查集) C++实现
点击打开pat链接#include #include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010int father[1010];int isroot[1010]={0};
2017-07-03 19:22:58
304
原创 PAT程序设计考题——甲级1098(Insertion or Heap Sort ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010int start[maxn],heap[maxn],object[maxn];
2017-07-03 00:22:31
199
原创 PAT程序设计考题——甲级1014( Waiting in Line ) C++实现
点击打开pat链接#include #include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010int line;struct windows{ int id;
2017-06-30 00:47:19
333
原创 PAT程序设计考题——甲级1065( A+B and C (64bit) ) C++实现
点击打开pat链接#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010int main(){long long a,b,c;int n;bool flag;ci
2017-06-24 02:17:07
304
原创 PAT程序设计考题——甲级1017(Queueing at Bank ) C++实现
点击打开pat链接#include#include#include#include#include#include#includeusing namespace std;#define INF 100000000#define maxn 100010struct customer{ int time,sertime;}newcustomer;
2017-06-24 01:46:04
251
原创 PAT程序设计考题——甲级1008( elevator) C++实现
to PAT#include #include#include#include#include#include#includeusing namespace std;#define maxn 100010int main(){ int m; cin>>m; if(m==0) return 0; int store[maxn]; int s
2017-06-22 19:46:06
647
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