how to delete an element in vector pair in cpp

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showing results for - "how to delete an element in vector pair in cpp"
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08 Sep 2016
1#include <iostream>
2#include <utility>
3#include <vector>
4
5using namespace std;
6
7
8int main()
9{
10    vector< pair<int, int> > v;
11    int N = 5;
12    const int threshold = 2;
13    for(int i = 0; i < N; ++i)
14        v.push_back(make_pair(i, i));
15
16    int i = 0;
17    while(i < v.size())
18        if (v[i].second > threshold)
19            v.erase(v.begin() + i);
20        else
21            i++;
22
23    for(int i = 0; i < v.size(); ++i)
24        cout << "(" << v[i].first << ", " << v[i].second << ")\n";
25
26    cout << "Done" << endl;
27}
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