Array copx c++

#include <algorithm> //Only needed for Option 1
#include <iostream>

using namespace std;

int main() {
  	//Option 1
    const int len{3};
    int arr1[len] = {1,2,3};
    int arr2[len]; //Will be the copy of arr1
    copy(begin(arr1), end(arr1), begin(arr2));
  
  	//Use the following, if you are not using namespace std;
    //std::copy(std::begin(arr), std::end(arr), std::begin(copy));
  
    //Option 2
    int arr3[len]; //Will be the copy of arr1
    for(int i = 0; i<len; ++i) {
      arr3[i] = arr1[3];
    }
    
    return 0; //exitcode
};

Similar codes

0 vote324 views1 answer
Error: ‘memset’ was not declared in this scope in cpp
C++
0 vote302 views1 answer
Can you assign a value to a deleted pointer
C++
1 vote313 views1 answer
Mpi_bcast
C++
0 vote346 views1 answer
Codeforces Pangram in c++
C++
0 vote408 views1 answer
Iterate over map c++17
C++
0 vote344 views1 answer
What does npl mean?
C++
19 votes306 views3 answers
File reading c++
C++
0 vote369 views1 answer
Qt file explorer
C++
0 vote325 views1 answer
Push_back a pair c++
C++
0 vote342 views1 answer
How to get the time in c++ as string
C++