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#include <bits/stdc++.h>
#define inf 100000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n, a[102][102];
int main()
{
fin >> n;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
fin >> a[i][j];
for(int k = 1; k <= n; k++)
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
if(i != j && a[i][k] && a[k][j])
a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
for(int i = 1; i <= n; i++, fout << '\n')
for(int j = 1; j <= n; j++) fout << a[i][j] << ' ';
}