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c++ get length of array
By 
Noq
on Jan 18, 2020
Noq
on Jan 18, 2020
int arr[5];
int len = sizeof(arr) / sizeof(arr[0]);
// returns 529
array length c++
By Arrogant Anteater
on Jul 14, 2020
Arrogant Anteater
on Jul 14, 2020
#include <iostream>
using namespace std;
#define size(type) ((char *)(&type+1)-(char*)(&type))
int main(){
int arr[5] = {1, 2, 3, 4, 5};
cout << size(arr) / size(arr[0]) << endl; //returns 5
//alternatively
cout << sizeof(arr) / sizeof(int) << endl; //returns 5
}11
find length of array c++
By intricate_symbol
on Mar 08, 2021
intricate_symbol
on Mar 08, 2021
#include <iostream>
using namespace std;
int main() {
int arr[5] = {4, 1, 8, 2, 9};
int len = sizeof(arr)/sizeof(arr[0]);
cout << "The length of the array is: " << len;
return 0;
}0
length of array in cpp
By Horrible Hare
on May 25, 2020
Horrible Hare
on May 25, 2020
int size = sizeof(arr)/sizeof(arr[0])0
length of array c++
By Sore Snail
on Jul 22, 2020
Sore Snail
on Jul 22, 2020
// array::size
#include <iostream>
#include <array>
int main ()
{
std::array<int,5> myints;
std::cout << "size of myints: " << myints.size() << std::endl;
std::cout << "sizeof(myints): " << sizeof(myints) << std::endl;
return 0;
}Source: www.cplusplus.com
3
how to get size of array c++
By BreadCode
on May 31, 2021
BreadCode
on May 31, 2021
How do I find the length of an array?
//Method 1:
- use sizeof(arr)/sizeof(*arr)
//Method 2:
- use std::array from C++11
array <int,6> arr{1, 2, 3, 4, 5, 6};
cout << arr.size(); 0
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