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#include <bits/stdc++.h>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,m[103][103];
int main()
{
f>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
f>>m[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&&m[i][k]&&m[k][j]&&(m[i][j]==0||m[i][j]>m[i][k]+m[k][j]))
m[i][j]=m[i][k]+m[k][j];
for(int i=1;i<=n;i++)
{for(int j=1;j<=n;j++)
g<<m[i][j]<<" ";
g<<"\n";
}
return 0;
}