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#include<bits/stdc++.h>
#define INF 100000000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[101][101],n;
int main()
{
int i,j,k;
f>>n;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
f>>a[i][j];
if(i!=j && a[i][j]==0)
a[i][j]=INF;
}
}
for(k=1;k<=n;k++)
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(a[i][j]>a[i][k]+a[k][j] && i!=j && a[i][k]!=0 && a[k][j]!=0)
a[i][j]=a[i][k]+a[k][j];
}
}
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
g<<a[i][j]<<" ";
g<<'\n';
}
return 0;
}