$\color{#1c1c1c}{\text{tu}}$$\color{#363636}{\text{a}}$$\color{#4f4f4f} {\text{n}}$$\color{#696969}{\text{d}}$$\color{#828282} {\text{u}}$$\color{#9c9c9c}{\text{n}}$$\color{#b5b5b5} {\text{m}}$$\color{#cfcfcf}{\text{a}}$$\color{#eee9e9}{\text{i}}$

#include<bits/stdc++.h>
using namespace std;

int main() {
   int n;
   cin>>n;
   for(int i=1;i<=n;i++){
        for(int j=i;j<i+n;j++){
            cout<<j<<" ";
        }
        cout<<"\n";
    }
return 0;
}

`\color{blue}{team} \color{black}{manh} \color{blue}{đô} \color{black}{ng}`

#include <bits/stdc++.h>
using namespace std;
signed main(){
	int n;
	cin>>n;
	int cnt=0;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			cout<<j+cnt<<" ";
		}
		++cnt;
		cout<<"\n";
	}
}