2d-Dynamic.cpp

#include<bits/stdc++.h>
usingnamespacestd;

#definelllonglong
#definepb push_back
#definemod1000000007
#defineendl'\n'

intmain(){
 cin.tie(0)->sync_with_stdio(0);
int n,m;
 cin>>n>>m;

// creation of 2array
//
int **arr= newint *[n];
for (int i = 0; i < n; i++) {
 arr[i]= newint[n];

 }
// taking input
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
 cin>>arr[i][j];
 }
 }
// giving the outputl
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
 cout<<arr[i][j]<<"";
 }
 cout<<endl;
 }
//releasing of all the heap memory
for (int i = 0; i < n; i++) {
delete [] arr[i];

 }
delete []arr;
return0;
}