number of elements in c++ array

Dark Duck answered on April 25, 2020 Popularity 10/10 Helpfulness 5/10

answer number of elements in c++ array

number of elements in c++ array

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#include <iostream>
using std::cout;

int a[] = { 1, 2, 3, 4, 5 };
int counta()
  {
  return sizeof( a ) / sizeof( a[ 0 ] );  // works, since a[] is an array
  }

int countb( int b[] )
  {
  return sizeof( b ) / sizeof( b[ 0 ] );  // fails, since b[] is a pointer
  }

Popularity 10/10 Helpfulness 5/10 Language typescript

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Contributed on Apr 25 2020

Dark Duck

0 Answers Avg Quality 2/10

number of elements in c++ array

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