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#include <bits/stdc++.h>
#define N 101
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n, w[N][N],d[N][N];
int main()
{
in>>n;
for(int i=1; i<=n; ++i)
for(int j=1; j<=n; ++j)
{
in>>w[i][j];
d[i][j]=w[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&&d[i][k]&&d[k][j]&&(d[i][k]+d[k][j]<d[i][j]||!d[i][j]))
d[i][j]=d[i][k]+d[k][j];
for(int i=1; i<=n; ++i)
{
for(int j=1; j<=n; ++j)
out<<d[i][j]<<' ';
out<<'\n';
}
return 0;
}