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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int inf = 100100;
vector < vector <int> > v;
int main()
{
int n; fin >> n;
v.assign(n, vector <int>(n, 0));
for(int i=0; i<n; i++)
for(int j=0; j<n; j++)
{
fin >> v[i][j];
if(i != j && !v[i][j]) v[i][j] = inf;
}
for(int k=0; k<n; k++)
for(int i=0; i<n; i++)
for(int j=0; j<n; j++)
v[i][j] = min(v[i][j], v[i][k] + v[k][j]);
for(int i=0; i<n; i++)
{
for(int j=0; j<n; j++)
v[i][j] == inf ? fout << 0 << " " : fout << v[i][j] << " ";
fout << '\n';
}
return 0;
}