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