├── README.md
└── Vectors operation


/README.md:
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1 | # Vectors-using-CPP
2 | 


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/Vectors operation:
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 1 | #include<bits/stdc++.h>
 2 | using namespace std;
 3 | 
 4 | int main() {
 5 |     vector<int> y = {1, 2, 3, 4, 5, 6, 7};  // Initialize vector
 6 |     
 7 |     // Printing initial elements in the vector
 8 |     for(int i = 0; i < y.size(); i++) {
 9 |         cout << i << "->" << y[i] << endl;
10 |     }
11 |     
12 |     // Adding elements to the vector
13 |     y.push_back(8);
14 |     y.push_back(9);
15 |     y.push_back(11); 
16 |     y.push_back(10);
17 |     
18 |     cout << "After inserting elements into the vector.....," << endl;
19 |     
20 |     // Printing elements after insertion
21 |     for(int i = 0; i < y.size(); i++) {
22 |         cout << i << "->" << y[i] << endl;
23 |     }
24 |     
25 |     // Removing the last element
26 |     y.pop_back();
27 |     
28 |     cout << "After popping the last element from the vector.....," << endl;
29 |     
30 |     // Printing elements after pop_back
31 |     for(int i = 0; i < y.size(); i++) {
32 |         cout << i << "->" << y[i] << endl;
33 |     }
34 |     y.erase(y.begin() + 2);  // Removes the element at index 2
35 |     y.erase(y.begin() + 1, y.begin() + 3);  // Removes elements from index 1 to 2 (range)
36 | 
37 |     y.insert(y.begin() + 2, 13);  // Inserts 99 at index 2
38 |     y.insert(y.begin(), 3, 14);   // Inserts 50 three times at the beginning
39 | 
40 |     for(int i = 0; i < y.size(); i++) {
41 |         cout << i << "->" << y[i] << endl;
42 |     }
43 |     return 0;
44 | }
45 | 


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