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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
int mat[105][105],dp[105][105];
const int inf=0x3F3F3F3F;
void rf()
{
int k,i,j;
for (k=1;k<=n;k++)
{
for (i=1;i<=n;i++)
{
for (j=1;j<=n;j++)
{
dp[i][j]=min(dp[i][j],dp[i][k]+dp[k][j]);
}
}
}
}
int main()
{
fin >> n;
int i,j;
for (i=1;i<=n;i++)
{
for (j=1;j<=n;j++)
{
fin >> mat[i][j];
if (i!=j && mat[i][j]==0) dp[i][j]=inf;
else dp[i][j]=mat[i][j];
}
}
rf();
for (i=1;i<=n;i++)
{
for (j=1;j<=n;j++)
{
fout << dp[i][j] << " ";
}
fout << '\n';
}
}