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delete c++

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Alon Nagar answered on September 17, 2020 Popularity 10/10 Helpfulness 2/10

answer delete c++

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delete c++

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// Delete is like 'free' in C.
// If you have a dynamic variable, you need to free its memory (delete it) using the delete keyword.
int arr = new int[7];
delete arr[];

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Mar 03 2022

Alon Nagar

0 Answers Avg Quality 2/10

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c++ erase remove

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std::vector<int> v = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
v.erase(std::remove(v.begin(), v.end(), 5), v.end());
// v will be {0 1 2 3 4 6 7 8 9}

Popularity 10/10 Helpfulness 3/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Sep 17 2020

SeppahBaws

0 Answers Avg Quality 2/10

delete[] cpp

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delete[] arr // calls destructors for each element in array
  			 // before calling array deallocating function

Popularity 10/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jun 29 2022

Cautious Crane

0 Answers Avg Quality 2/10

delete[] c++

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#include <iostream>
using namespace std;

int main() {
  int length;
  
  cin >> length;

  int * arr = new int[length];

  for (int i = 0; i < length; i++) {
    arr[i] = (i + 1) * 10;
  }

  for (int i = 0; i < length; i++) {
    cout << arr[i] << " " << endl;
  }

  delete[] arr;

  return 0;
}

Popularity 8/10 Helpfulness 1/10 Language cpp

Source: www.educative.io

Tags: c++

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Contributed on Oct 25 2023

Derek Fimble

0 Answers Avg Quality 2/10

delete c++

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