代码运行次数:0 运行 AI代码解释 1nums=[3,2,4,5,6,8,1,2,9,7]23f=[[0for_inrange(1,40)]for_inrange(1,31)]456defrmq_initial():7n=len(nums)8fori,numinenumerate(nums):9f[i][0]=num10forjinrange(1,31):11foriinrange(0,n):12ifi+(1<<(j-1))>=n:13break14f[i][j]=max...
@torch.no_grad()def Extract_results(model, device, dataloader, type=''):model.eval()model.to(device)n = 0# Evaluate model on all datafor i, batch in enumerate(dataloader):batch = batch.to(device)if batch.x.shape[0] == 1...
运行 AI代码解释 voidstPrework(){//ST表预处理for(int i=1;i<=n;i++){//f[i][j]=从i开始,长为2^j区间内的最值f[i][0]=a[i];//长为1时的最值}for(int j=1;j<=Log[n];j++){//根据最长区间长度log[n]进行遍历for(int i=1;i+(1<<j)-1<=n;i++){//遍历开始位置if[i][j...
foriinrange(num_days):sta=iend=i+n_windowfull_window=np.swapaxes(data[sta:end, :], 0, 1)g=Data(x=torch.FloatTensor(full_window[:, :self.N_hist]),y=torch.FloatTensor(full_window[:, self.N_hist:]),edge_index=edge_index,num_nodes=n_node) sequences.append(g) returnsequences 训练...
#include<cmath>#include<iostream>usingnamespacestd;inta[50001];intf[50001][16];intn;voidrmq_init()//建立: dp(i,j) = min{dp(i,j-1),dp(i+2^(j-1),j-1) O(nlogn){for(inti =1; i <= n; i++) f[i][0] = a[i];intk =floor(log((double)n) /log(2.0));// C/C++取...
while(ch >='0'&& ch <='9') { x = x *10+ ch -48;ch =getchar(); } returnx * f; } // 1.ST 表的初始化(预处理每个长度是 2 的整数幂的区间最值) voidST_init(){ for(inti =1;i <= n;i++) st[i][0] = a[i]; ...
三. 布尔值(bool) 取值只有True, False. bool值没有操作. 转换问题: str => int int(str) int => str str(int) int => bool bool(int). 0是False 非0是True bool=>int int(bool) True是1, False是0 str => bool bool(str) 空字符串是False, 不空是True bool => str str(bool) 把bool值...
st冒泡法排序的时间复杂度为O(n^2),其中n为要排序的元素个数。虽然时间复杂度较高,但是它的实现方法简单,代码易于理解,因此在一些小规模的数据排序中仍然有一定的应用。 下面是st冒泡法排序的Python代码实现: ```python def bubble_sort(arr): n = len(arr) for i in range(n): for j in range(0, ...
(sys.argv)==1:print"%s: error:%s\n"%(sys.argv[0],"No command options given")parser.print_help()sys.exit(3)#Usage parameters for spatial database connectiondatabase_type=options.Database_type.upper()instance=options.Instanceaccount_authentication=options.account_authentication.upper()passwor...
()#Check if no system arguments (options) enterediflen(sys.argv) ==1: print("{}: error: {}\n".format(sys.argv[0],"No command options given")) parser.print_help() sys.exit(3)#Usage parameters for spatial database connectiondatabase_type = options.Database_type.upper(...