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class Solution { public: int lower(vector& nums, int target){ int n=nums.size(); int left=0; int right=n-1; while(left<=right){ int mid=left+(right-le 阅读全文
posted @ 2024-12-11 22:53
Qacter
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class Solution { unordered_map<int,int>fa,rank; void init(unordered_set<int>&set){ for(const auto& num:set){ fa[num]=num; rank[num]=1; } } int finds(i 阅读全文
posted @ 2024-12-11 22:53
Qacter
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include include using namespace std; int binarySearchFirstOccurrence(vector& nums, int target) { int left = 0; int right = nums.size() - 1; int result 阅读全文
posted @ 2024-12-11 22:52
Qacter
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class Solution { public: vector<vector> permuteUnique(vector& nums) { int n=nums.size(); if(n==1) return {nums}; vector<vector>result; sort(nums.begin 阅读全文
posted @ 2024-12-11 22:51
Qacter
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class NumArray { public: vectorans; NumArray(vector& nums) { int n=nums.size(); ans.resize(n+1); int sum=0; for(int i=1;i<=n;i++) ans[i]=ans[i-1]+nums 阅读全文
posted @ 2024-12-11 22:50
Qacter
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include <stdio.h> int main() { int arr[6]={1,2,3,4,5,6}; // 定义一个包含 6 个整数的数组 arr,并进行初始化。 int len=sizeof(arr)/sizeof(arr[0]); // 计算数组 arr 的长度,sizeof(arr 阅读全文
posted @ 2024-12-11 22:50
Qacter
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include<bits/stdc++.h> using namespace std; int two_k(int left,int right,vector&arr,int m){ if(left>right) return right; int mid=left+(right-left)/2; 阅读全文
posted @ 2024-12-11 22:46
Qacter
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include <bits/stdc++.h> using namespace std; // 二分查找函数,用于查找最大最小跳跃距离 int two_k(int left, int right, const vector& arr, int m) { if (left > right) retur 阅读全文
posted @ 2024-12-11 22:46
Qacter
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include <stdio.h> // 找到数组中出现次数超过一半的数字 int findMostFrequent(int* input, int length) { // 候选数字初始化为数组第一个元素 int candidate = input[0]; // 计数初始化为 1 int coun 阅读全文
posted @ 2024-12-11 22:45
Qacter
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#include #include using namespace std; int main() { int n=100; int count=0; vector isprime(n+1,true); vector prime; for(int i=2;i<=n;i++){ if(isprime[ 阅读全文
posted @ 2024-12-11 22:44
Qacter
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