Question

How to resize array to new size without preserving the values in C++

Answer 1

#include <bits/stdc++.h> 
   
int main() { 
    std::valarray<int> varr = { 2, 3, 5, 4 }; 
    int N = 6;
      
    varr.resize(N); 
   
    for (int &n : varr) { 
        std::cout << n << ", "; 
    } 
}
   
    
    
    
/*
run:
    
0, 0, 0, 0, 0, 0, 
    
*/

 

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