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cpp get last element of vector

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Fantastic Fox answered on May 30, 2020 Popularity 10/10 Helpfulness 4/10

answer cpp get last element of vector

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cpp get last element of vector

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vector<int> vec;
vec.push_back(0);
vec.push_back(1);
int last_element = vec.back();
int also_last_element = vec[vec.size() - 1];

Popularity 10/10 Helpfulness 4/10 Language cpp

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Contributed on Sep 05 2020

Fantastic Fox

0 Answers Avg Quality 2/10

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access last element in vector in c++

Comment

vector<int> v;
cout << v[v.size() - 1];
cout << *(v.end() - 1);
cout << *v.rbegin();
// all three of them work

Popularity 10/10 Helpfulness 6/10 Language cpp

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Tags: c++

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Contributed on May 31 2020

Zany Zebra

0 Answers Avg Quality 2/10

c++ get last element in array

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#include<iostream>
/*To get the last element of the array we first get the size 
    of the array by using sizeof().  Unfortunately, this gives 
    us the size of the array in bytes.  To fix this, we divide
    the size (in bytes) by the size of the data type in the array.
    In our case, this would be int, so we divide sizeof(array) 
    by sizeof(int).  Since arrays  start from 0 and not 1 we 
    subtract one to get the last element.
    -yegor*/
int array[5] = { 1, 2, 3, 4, 5 };
printf("Last Element of Array: %d", array[(sizeof(array)/sizeof(int))-1]);

Popularity 9/10 Helpfulness 4/10 Language cpp

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Tags: c++ element

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Contributed on Oct 12 2020

Annoyed Armadillo

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last element of vector c++

Comment

 // Accessing last element
cout << v.back() << endl;
 // modifying last element
v.back() = 100;

Popularity 9/10 Helpfulness 4/10 Language javascript

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Tags: c++

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Contributed on Jan 24 2023

Aditya Pratap Singh

0 Answers Avg Quality 2/10

c++ get last element in vector

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std::v.back()

Popularity 10/10 Helpfulness 3/10 Language cpp

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Tags: c++

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Contributed on May 30 2020

Grumpy Goat

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c++ access second last element of vector

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arr2.rbegin()[1] // rbegin() is reverse order starting at 0 for last element, 1 for second-last

Popularity 9/10 Helpfulness 3/10 Language cpp

Source: stackoverflow.com

Tags: c++ element

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Contributed on May 07 2021

Adventurous Addax

0 Answers Avg Quality 2/10

how to access last element of vector

Comment

#include <iostream>
#include <vector>

int main() {
    std::vector<int> nums = {1, 2, 3, 4, 5};

    // Method 1: Using negative index
    int lastElem1 = nums[nums.size() - 1];

    // Method 2: Using back() function
    int lastElem2 = nums.back();

    std::cout << "Last element (Method 1): " << lastElem1 << std::endl;
    std::cout << "Last element (Method 2): " << lastElem2 << std::endl;

    return 0;
}

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Contributed on Sep 11 2023

YOU.com

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c++ last element of vector

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int var = vec.back().c;

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Jan 05 2022

Funny Falcon

0 Answers Avg Quality 2/10

cpp get last element of vector

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access last element in vector in c++

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