// Deletes the second element (vec[1])
vec.erase(vec.begin() + 1);
// Deletes the second through third elements (vec[1], vec[2])
vec.erase(vec.begin() + 1, vec.begin() + 3);#include <algorithm>
#include <vector>
// using the erase-remove idiom
std::vector<int> vec {2, 4, 6, 8};
int value = 8 // value to be removed
vec.erase(std::remove(vec.begin(), vec.end(), value), vec.end());std::vector<int> v;
// fill it up somehow
v.erase(std::remove(v.begin(), v.end(), 99), v.end());
// really remove all elements with value 99// Deleting first element
vector_name.erase(vector_name.begin());
// Deleting xth element from start
vector_name.erase(vector_name.begin()+(x-1));
// Deleting from the last
vector_name.pop_back();
// erase element from vector by its index
vector<string> strs {"first", "second", "third", "last"};
string element = "third"; // the element which will be erased
for(int i=0;i<strs.size();i++)
{
if(strs[i] == element)
strs.erase(strs.begin()+i);
}
#include <iostream>
#include <utility>
#include <vector>
using namespace std;
int main()
{
vector< pair<int, int> > v;
int N = 5;
const int threshold = 2;
for(int i = 0; i < N; ++i)
v.push_back(make_pair(i, i));
int i = 0;
while(i < v.size())
if (v[i].second > threshold)
v.erase(v.begin() + i);
else
i++;
for(int i = 0; i < v.size(); ++i)
cout << "(" << v[i].first << ", " << v[i].second << ")\n";
cout << "Done" << endl;
}