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#include<fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int dp[101][101], n;
void RoyFloyd()
{
for(int k=1; k<=n; k++)
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
{
if(dp[i][j] > dp[i][k] + dp[k][j] && i!=j)
dp[i][j] = dp[i][k] + dp[k][j];
}
}
int main()
{
cin>>n;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
{
cin>>dp[i][j];
if(dp[i][j] == 0 && i!=j)
dp[i][j] = 1e9;
}
RoyFloyd();
for(int i=1; i<=n; i++)
{
for(int j=1; j<=n; j++)
cout<<dp[i][j]<<" ";
cout<<'\n';
}
return 0;
}