sortrare materice metoda 1

#include <iostream>

using namespace std;

int main()
{
    int a[100][100],n,i,j,x,m,aux;
    cout<<"n= ";cin>>n;
    cout<<"m= ";cin>>m;
    for (i=1;i<=n;i++)
    for (j=1;j<=m;j++)
    {
        cout<<"a["<<i<<"]["<<j<<"]= ";
    cin>>a[i][j];
    }
for (x=1;x<=n;x++)
{  for (i=1;i<=m-1;i++)
        for (j=i+1;j<=m;j++)
        if (a[x][i]>a[x][j])
    {
        aux=a[x][i];
        a[x][i]=a[x][j];
        a[x][j]=aux;
    }
}


    for (i=1;i<=n;i++)
    {for (j=1;j<=m;j++)
    cout<<a[i][j]<<" ";
    cout<<'\n';
    }
    return 0;
}