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#include<fstream>
#define nx 107
using namespace std;
int a[nx][nx],n,i,j,k;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int main()
{
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)fin>>a[i][j];
for(k=1;k<=n;k++)
for(j=1;j<=n;j++)
for(i=1;i<=n;i++)
if(i!=j && a[i][k] && a[k][j] && (a[i][j]>a[i][k]+a[k][j] || !a[i][j]))a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)fout<<a[i][j]<<' ';
fout<<'\n';
}
return 0;
}