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#include<bits/stdc++.h>
using namespace std;
int n,a[105][105];
const int inf=(1e6);
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]);
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
if(i==j) continue;
if(!a[i][j]) a[i][j]=inf;
}
for(int k=1;k<=n;k++)
{
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
if(a[i][k]+a[k][j]<a[i][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;
}