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#include <iostream>
#include <fstream>
using namespace std;
const int inf=10000;
int n,i,j,k,a[101][101];
int main()
{
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
f>>a[i][j];
if(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][k]+a[k][j]<a[i][j])
a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
a[i][i]=0;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
g<<a[i][j]<<' ';
g<<endl;
}
return 0;
}