copy 2 dimensional array c++
//COPY 2D ARRAY TO ANOTHER 2D ARRAY
for (int x=0 ; x < 50; x++)
{
for (int y=0 ; y < 50; y++)
{
b[x][y] = a[x][y];
}
}copy 2 dimensional array c++
//COPY 2D ARRAY TO ANOTHER 2D ARRAY
for (int x=0 ; x < 50; x++)
{
for (int y=0 ; y < 50; y++)
{
b[x][y] = a[x][y];
}
}create a 2d vector in c++
// CPP program
#include <iostream>
#include <vector>
using namespace std;
int main()
{
int n = 3;
int m = 4;
/*
We create a 2D vector containing "n"
elements each having the value "vector<int> (m, 0)".
"vector<int> (m, 0)" means a vector having "m"
elements each of value "0".
Here these elements are vectors.
*/
vector<vector<int>> vec( n , vector<int> (m, 0));
for(int i = 0; i < n; i++)
{
for(int j = 0; j < m; j++)
{
cout << vec[i][j] << " ";
}
cout<< endl;
}
return 0;
}Copyright © 2021 Codeinu
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