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#include <bits/stdc++.h>
#define mod 777013
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,ma[105][105];
int main()
{
f>>n;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)f>>ma[i][j];
for(int k=1;k<=n;++k)
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
if(ma[i][k]&&ma[k][j]&&i!=j&&(ma[i][k]+ma[k][j]<ma[i][j]||(!ma[i][j])))ma[i][j]=ma[i][k]+ma[k][j];
for(int i=1;i<=n;++i)
{
for(int j=1;j<=n;++j)
g<<ma[i][j]<<" ";g<<'\n';
}
return 0;
}