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How to get the last element of an array in C++ using std::array

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Four Striped Grass Mouse answered on September 7, 2020 Popularity 9/10 Helpfulness 1/10

answer How to get the last element of an array in C++ using std::array

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How to get the last element of an array in C++ using std::array

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#include <array>
std::array<int, 5> a {1, 2, 3, 4, 5};
int i = a[a.size() - 1]; // The last variable stored in i

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Contributed on Sep 07 2020

Four Striped Grass Mouse

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find last element of an array c++

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int arr={1,2,3,4,5,6};
int length=sizeof(arr)/sizeof(int);
int lastElement=aar[length-1];

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Tags: c++

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Contributed on Oct 25 2020

Kind Kea

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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]);

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Contributed on Oct 12 2020

Annoyed Armadillo

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c++ last element of array

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int arr[10];
int len = sizeof(arr) / sizeof(arr[0]);

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Tags: c++ element

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Contributed on Oct 01 2020

Elementrix

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How to get the last element of an array in C++ using std::array

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How to get the last element of an array in C++ using std::array

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