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#include <bits/stdc++.h>
#define inf 1000000001
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[101][101];
int main()
{
f>>n;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
{
f>>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(a[i][k] && a[k][j] &&(a[i][j] >a[i][k]+a[k][j] || (!a[i][j] && i!=j )))a[i][j] =a[i][k]+a[k][j];
for(int i=1;i<=n;++i)
{
for(int j=1;j<=n;++j)
g<<a[i][j]<<" ";
g<<'\n';
}
return 0;
}