permutare circ stanga

#include <iostream>

using namespace std;

int main() {
    int v[21][21],n,k,x;
    cin>>n>>k;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cin>>v[i][j];
        }
    }
    x=v[k][1];
    for(int j=1;j<=n-k-1;j++){
        v[k][j] = v[k][j + 1];
    }
    v[k][n-k]=x;

    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cout<<v[i][j]<<" ";
        }
        cout<<endl;
    }
}