erase(vec.begin()); std::cout << "Vector after removing the first element: "; for (int i : vec) { std::cout << i << " "; } std::cout << std::endl; // 删除一个范围内的元素 std::vector<int> vec2 = {10, 20, 30, 40, 50}; vec2.erase(vec2.begin() + 2, vec2....
npos is a static member constant value with the greatest possible value for an element of type size_t.This value, when used as the value for a len (or sublen) parameter in string's member functions, means "until the end of the string".As a return value, it is usually us...
An iterator addressing the position one past the last element in the range to be erased. _It An iterator addressing the position of the element in the string to be erased. _Pos The index of the first character in the string to be removed. _Count The number of elements that will be rem...
Ifmatchis an array, thenerasedeletes every occurrence of every element ofmatchinstr. Thestrandmatcharguments do not need to be the same size. example Examples collapse all Delete Substrings from String Array Create a string array and delete substrings from it. ...
Before erasing the element: 10 20 30 40 After erasing the element: 10 20 40 在上面的例子中,erase(value) 函数使用集合中的值 30。 例子3 让我们看一个简单的例子来擦除给定范围内的元素: #include<iostream>#include<set>usingnamespacestd;intmain(){set<int> myset;set<int>::iterator it; ...
iterator erase(const_iterator _Where) { // erase element at where if (_VICONT(_Where) != &this->_Get_data() || _VIPTR(_Where) < this->_Myfirst() || this->_Mylast() <= _VIPTR(_Where)) _DEBUG_ERROR("vector erase iterator outside range"); _Move(_VIPTR(_Where) + 1, ...
= myMap.end()) { std::cout << "Element after deletion: " << it->first << ", " << it->second << std::endl; } else { std::cout << "Element with key 2 was the last element." << std::endl; } // 输出剩余元素...
#include <string> #include <unordered_set> using namespace std; int main() { unordered_set<string> sampleSet = { "geeks1", "for", "geeks2" }; // erases a particular element sampleSet.erase("geeks1"); // displaying the set after removal cout << "Elements: "; for (auto it = ...
The erased by erasing the individual portions of the set, a set of memory cells, in which, also, to normalize the erase characteristics of each memory cell, to erase speed more consistent is possible. In the state biased so as to erase the first group of cells, biased to erase inhibit ...
c++ set.erase()不适用于我，我是否做错了什么？根据你声明的逻辑，你把erase放在了if的错误分支中，...