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#include <iostream>
#include <fstream>
#include <limits.h>
#define inf 105
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int d[inf][inf], n;
int main()
{
int i,j,k;
f>>n;
for(i=1; i<=n; i++)
for(j=1; j<=n; j++)
{f>>d[i][j];
if(d[i][j]==0)
d[i][j]=INT_MAX;
if(i==j)
d[i][j]=0;
}
for(k=1; k<=n; k++)
for(i=1; i<=n; i++)
for(j=1; j<=n; j++)
d[i][j]=min(d[i][j], d[k][j]+d[i][k]);
for(i=1; i<=n; i++)
{for(j=1; j<=n; j++)
if(d[i][j]==INT_MAX)
cout<<0<<" ";
else
g<<d[i][j]<<" ";
g<<endl;}
f.close();
g.close();
return 0;
}