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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[110][110],n;
int rez[110][110];
int main()
{int i,j,k;
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{fin>>a[i][j];
if(i!=j&&a[i][j]==0)
rez[i][j]=INT_MAX/2;
else
rez[i][j]=a[i][j];
}
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
for(k=1;k<=n;k++)
if(rez[k][i]+rez[i][j]<rez[k][j]&&k!=j)
rez[k][j]=rez[k][i]+rez[i][j];
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
fout<<rez[i][j]<<' ';
fout<<'\n';}
return 0;
}