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#include <iostream>
#include <fstream>
using namespace std;
# define inf 1000000
int main()
{
int dist[101][101],n,i,j,k;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
f>>n;
for(i=1;i<=n;++i)
for(j=1;j<=n;++j)
{
f>>dist[i][j];
if(dist[i][j]==0 && i!=j)
dist[i][j]=inf;
}
for(k=1;k<=n;++k)
for(i=1;i<=n;++i)
for(j=1;j<=n;++j)
if(dist[i][j]>dist[i][k]+dist[k][j])
dist[i][j]=dist[i][k]+dist[k][j];
for(i=1;i<=n;++i)
{
for(j=1;j<=n;++j)
g<<dist[i][j]<<" ";
g<<'\n';
}
f.close();
g.close();
return 0;
}