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#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define INF numeric_limits<int>::max()
#define int64 long long
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int d[101][101],n;
int main()
{
in>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
in>>d[i][j];
if(d[i][j]==0 && i!=j)
d[i][j]=INF;
}
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(i!=j)
for(int k=1;k<=n;k++)
if(k!=i && k!=j && d[i][k]!=INF && d[k][j]!=INF)
d[i][j]=min(d[i][j],d[i][k]+d[k][j]);
for(int i=1;i<=n;i++,out<<'\n')
for(int j=1;j<=n;j++)
out<<d[i][j]<<' ';
return 0;
}