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array size c++

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Scary Shrike answered on May 7, 2020 Popularity 10/10 Helpfulness 5/10

answer array size c++

related how to find size of int array in c++

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array size c++

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There are two methods for finding the size of an array.

int n = sizeof(arr)/sizeof(arr[0]);
int n = (int)arr.size();

Popularity 10/10 Helpfulness 5/10 Language cpp

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Tags: c++ size

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Contributed on Feb 08 2023

Scary Shrike

0 Answers Avg Quality 2/10

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how to find size of int array in c++

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#include <iostream>
using namespace std;

int main() {
	int arr[] = {10,20,30,40,50,60};
	int arrSize = sizeof(arr)/sizeof(arr[0]);
	cout << "The size of the array is: " << arrSize;
	return 0;
{

Popularity 10/10 Helpfulness 6/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jan 13 2022

Defiant Dotterel

0 Answers Avg Quality 2/10

array length c++

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#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
}

Popularity 10/10 Helpfulness 5/10 Language cpp

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Tags: c++

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Contributed on Jul 14 2020

Arrogant Anteater

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array length c++

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// 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;
}

Popularity 10/10 Helpfulness 3/10 Language cpp

Source: www.cplusplus.com

Tags: c++

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Contributed on May 07 2020

Spotless Spider

0 Answers Avg Quality 2/10

array size c++

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array size c++

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how to find size of int array in c++

array length c++

array length c++

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