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#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int i,j,k,c[101][101],n,oo=100000000;
int main()
{
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
f>>c[i][j];
if(!c[i][j])
c[i][j]=oo;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j&&i!=k&&j!=k&&c[i][j]>c[i][k]+c[k][j])
c[i][j]=c[i][k]+c[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(c[i][j]==oo)
c[i][j]=0;
g<<c[i][j]<<' ';
}
g<<'\n';
}
return 0;
}