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#include <fstream>
using namespace std;
short int i,j,n,k,v[102][102];
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>>v[i][j];
if(v[i][j]==0 && i!=j)
v[i][j]=2000;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(v[i][j]>v[i][k]+v[k][j])
v[i][j]=v[i][k]+v[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
if(v[i][j]==2000)
g<<0<<' ';
else
g<<v[i][j]<<' ';
g<<'\n';
}
return 0;
}