max_element(b ,e) min_element(b, e) 取2个变量的最大/最小值:max(a,b)min(a,b) 将区间[beg,end)内的元素全部逆序(用于顺序容器): 1.reverse(str.begin(),str.end()) //反转字符串 2.reverse(vector.begin(),vector.end()) //反转向量 3.reverse(a,a+strlen(a)) //反...
ans[i] = candies[i] + extraCandies >= max; }returnans; } c++ classSolution{public:vector<bool>kidsWithCandies(vector<int>& candies,intextraCandies){// 查找最多有多少糖果intmax = *max_element(candies.begin(), candies.end());// 假设额外的糖果都给他vector<bool> ans;for(autoc : candie...
1. 说明 “algorithm”头文件是实用性巨大的标准模板库(STL,Standard Template Library)的算法部分,里边定义了STL各种算法。像大家熟悉的各种容器(container),诸如vector、list等;以及迭代子(iterator)都属于标准模板库的成员。 另外需要注意STL和标准程序库的区别,STL是属于C++标准程序库(C++ Standard Library)一部分。...
#include <string.h>#include <vector>#include <iostream>#include <algorithm>using namespace std; int main(){ //顺序访问 vector<int>obj;for(int i=0;i<10;i++) { obj.push_back(i); } cout<<'直接利用数组:';for(int i=0;i<10;i++)//方法一 { cout<<obj[i]<<' '; } cout<<e...
*max_element (first_iterator, last_iterator)– To find the maximum element of a vector. *min_element (first_iterator, last_iterator)– To find the minimum element of a vector. accumulate(first_iterator, last_iterator, initial value of sum)– Does the summation of vector elements ...
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priority_queue vector + max-heap 插入、删除 O(log2n) 有序 可重复 vector容器+heap处理规则 set 红黑树 插入、删除、查找 O(log2n) 有序 不可重复 multiset 红黑树 插入、删除、查找 O(log2n) 有序 可重复 map 红黑树 插入、删除、查找 O(log2n) 有序 不可重复 multimap 红黑树 插入、删除...
此機制不會再將衍生自標準程式庫迭代器的迭代器解除包裝。 例如,衍生自 std::vector<int>::iterator 的使用者和嘗試自訂行為的使用者,現在都可在呼叫標準程式庫演算法時試取得其自訂的行為,而不是指標的行為。未排序的容器 reserve 函式現在實際上都會保留以供 N 個元素使用,如 LWG 2156 \(英文\) 中所述。