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快速幂 注意int范围为$[2^{31},2^{31} - 1]$,若n为最小值,变为正数时会溢出,所以先用longlong存n比较好 class Solution { public: double myPow(double x, int n) { int flag = 0; long long N 阅读全文
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dfs就好了 先去重一下 class Solution { public: vector<vector<int> > ret; int cnt[55], n; void dfs(vector<int> candidates, int target, int k, vector<int> v) { i 阅读全文
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就是个差分数组,注意保存一下每个点的颜色即可 class Solution { public: long long d[100010]; vector<vector<long long > > ret; vector<vector<long long>> splitPainting(vector<v 阅读全文
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train.py import torch import torch.nn as nn import torch.nn.functional as F import os from tensorboardX import SummaryWriter import torchvision.datase 阅读全文