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vector of arry cpp

whoibrar answered on August 6, 2022 Popularity 9/10 Helpfulness 2/10

answer vector of arry cpp

vector of arry cpp

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// C++ program to illustrate
// array of vectors
// output at end
  
#include <iostream>
#include <vector>
using namespace std;
  
// Declaring array of vectors
// globally
vector<int> v[5];
  
// Function for inserting elements
// in array of vectors
void insertionInArrayOfVectors()
{
  
    for (int i = 0; i < 5; i++) {
  
        // Inserting elements at every
        // row i using push_back()
        // function in vector
        for (int j = i + 1; j < 5; j++) {
            v[i].push_back(j);
        }
    }
}
  
// Function to print elements in array
// of vectors
void printElements()
{
  
    // Traversing of vectors v to print
    // elements stored in it
    for (int i = 0; i < 5; i++) {
  
        cout << "Elements at index "
             << i << ": ";
  
        // Displaying element at each column,
        // begin() is the starting iterator,
        // end() is the ending iterator
        for (auto it = v[i].begin();
             it != v[i].end(); it++) {
  
            // (*it) is used to get the
            // value at iterator is
            // pointing
            cout << *it << ' ';
        }
        cout << endl;
    }
}
  
// Function to illustrate array
// of vectors
void arrayOfVectors()
{
    // Inserting elements in array
    // of vectors
    insertionInArrayOfVectors();
  
    // Print elements stored in array
    // of vectors
    printElements();
}
  
// Driver code
int main()
{
    arrayOfVectors();
    return 0;
}

// OUTPUT
/////////

// Elements at index 0: 1 2 3 4 
// Elements at index 1: 2 3 4 
// Elements at index 2: 3 4 
// Elements at index 3: 4 
// Elements at index 4:

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++ vector

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Contributed on Aug 06 2022

whoibrar

0 Answers Avg Quality 2/10

vector of arry cpp

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