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#include <bits/stdc++.h>
#define nmax 101
#define inf 1001
using namespace std;
int ma[nmax][nmax];
int main()
{
freopen("royfloyd.in", "r", stdin);
freopen("royfloyd.out", "w", stdout);
int n;
cin>>n;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
cin>>ma[i][j];
if(ma[i][j]==0)
ma[i][j]=inf;
}
}
for(int k=1;k<=n;k++){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
ma[i][j]=min(ma[i][j], ma[i][k]+ma[k][j]);
}
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(i==j)
cout<<"0"<<' ';
else if(ma[i][j]==inf)
cout<<"0"<<' ';
else
cout<<ma[i][j]<<' ';
}
cout<<'\n';
}
return 0;
}