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#include <fstream>
using namespace std;
#define INF 1e6
int dp[101][101];
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int main()
{
int n,i,j,k;
cin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++){
cin>>dp[i][j];
if(dp[i][j]==0)
dp[i][j]=INF;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
if(i!=j)
dp[i][j]=min(dp[i][k]+dp[k][j],dp[i][j]);
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++)
{
if(dp[i][j]==INF || i==j)
cout<<0;
else
cout<<dp[i][j];
cout<<" ";
}
cout<<'\n';
}
return 0;
}