dynamic 2d array
code in c++ for a dynamic 2-dimensional array
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#include <iostream>
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#include<vector>
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using namespace std;
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int main() {
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int m;
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cin>>m;
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int *arr = new int[m*m];
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for(int i=0;i<m;i++)
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{
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for(int j=0;j<m;j++)
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{
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cin>>arr[i*m+j];
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}
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}
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for(int i=0;i<m;i++)
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{
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cout<<endl;
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for(int j=0;j<m;j++)
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{
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cout<<arr[i*m+j]<<"\t";
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}
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}
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}
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