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#include <cstdio>
#define nmax 105
#define vmax 1005
using namespace std;
int a[nmax][nmax],n;
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d",&n);
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
scanf("%d",&a[i][j]);
if(a[i][j]==0&&i!=j)
a[i][j]=vmax;
}
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(i!=j && j!=k && a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
printf("%d ",a[i][j]);
printf("\n");
}
return 0;
}