memset in c++

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BreadCode answered on March 26, 2021 Popularity 10/10 Helpfulness 5/10

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memset in c++

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#include <cstring>
memset(a, 0, sizeof(a));

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Source: Grepper

Tags: c++ memset

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Contributed on Jun 05 2021

BreadCode

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memset in cpp

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//memset ( variable name , values , sizeof ( variable name ) );
//
//Memset ( ) function Is used to fill a block of memory with a particular value(0 and -1)

// problem 1.
    /*int a[10]={0};
    cout<<a[5]<<endl;

    int b[10]={21};  // method wrong ... and luckily valid for only 0 (zero )
    cout<<b[5]<<endl;  */

    // problem 2.
   /* int n ; cin>>n;
    int a[n]={0};
    cout<<a[5]<<endl; */

    // solution of these problem
    // memset ()
    int n;
    cout<<"Input the size of array"<<endl;
    cin>>n;
    int a[n]; // block name --- a
    memset(a,0 ,sizeof(a));  // value --> 0 & -1
    cout<<a[4]<<endl;

    int val[9];
    memset(val, -1 , sizeof(val));
    for(int i=0;i<9;i++)
    {
        cout<<val[i]<<" ";
    }
    cout<<endl;


    char str[] = "friedchicken";
    memset(str, 't', sizeof(str));

    cout << str<<endl;

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Source: Grepper

Tags: c++

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Contributed on Feb 08 2022

pra's play

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memeset() in c++

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// CPP Program to demonstrate that we can use memset() to
// set all values as 0 or -1 for integral data types also
#include <bits/stdc++.h>
using namespace std;
  
// Driver Code
int main()
{
    int a[5];
  
    // all elements of A are zero
    memset(a, 0, sizeof(a));
    for (int i = 0; i < 5; i++)
        cout << a[i] << " ";
    cout << endl;
  
    // all elements of A are -1
    memset(a, -1, sizeof(a));
    for (int i = 0; i < 5; i++)
        cout << a[i] << " ";
    cout << endl;
  
    // Would not work
    memset(a, 5, sizeof(a)); // WRONG
    for (int i = 0; i < 5; i++)
        cout << a[i] << " ";
}

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Jul 16 2022

Kamlesh Patel

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memset in cpp

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/* memset example */
#include <stdio.h>
#include <string.h>

int main ()
{
  char str[] = "almost every programmer should know memset!";
  memset (str,'-',6);
  puts (str);
  return 0;
}

Output: ------ every programmer should know memset!

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Source: www.cplusplus.com

Tags: c++

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Contributed on Mar 26 2021

Clear Corncrake

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c++ memset

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memset(array,0,M*N*sizeof (int));
//2d array

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Source: stackoverflow.com

Tags: c++

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Contributed on Sep 21 2022

Bob

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memset c++

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memset(a, 0, sizeof(a)) 
memset(str, '#', sizeof(str));

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Source: Grepper

Tags: c++

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Contributed on Apr 20 2021

BreadCode

0 Answers Avg Quality 2/10

Memset function in C++

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/* memset example */
#include <stdio.h>
#include <string.h>

int main ()
{
  char str[] = "almost every programmer should know memset!";
  memset (str,'-',6);
  puts (str);
  return 0;
}

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: www.cplusplus.com

Tags: c++

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Contributed on Aug 26 2021

Awful Alligator

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memset in c++

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