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