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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[102][102],n;
void rez()
{int i,j,k;
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)a[i][j]=999999;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)f>>a[i][j];
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=k&&j!=k&&i!=j)
if(a[i][j]>a[i][k]+a[k][j])a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
if(a[i][j]==999999)g<<0<<" ";
else g<<a[i][j]<<" ";
g<<endl;
}
}
int main()
{
rez();
return 0;
}