Am construit urmatoarea matrice si imi da o singura eroare, nu pot sa-mi dau seama unde e greseala.Va rog sa ma ajutati
#include<iostream>
using namespace std;
int main()
{
int n,k,a,b,i,j,m[100][100];
cout<<"dati n";
cin>>n;
cout<<"dati k";
cin>>k;
cout<<"dati a";
cin>>a;
cout<<"dati b";
cin>>b;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
if(i==k)
m[j]=a;
else
if(j==k)
m[j]=b;
else
m[j]=0;
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
cout<<a[j]<<endl;
}
return 0;
}