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#include<bits/stdc++.h>
using namespace std;
const int inf=1000000000;
int d[105][105];
int n,x;
int main() {
cin>>n;
for (int i=1; i<=n; i++) {
for (int j=1; j<=n; j++) {
cin>>x;
if (i!=j && x==0) x=inf;
d[i][j]=x;
}
}
for (int k=1; k<=n; k++) {
for (int i=1; i<=n; i++) {
for (int j=1; j<=n; j++) {
if (d[i][k]==inf || d[j][k]==inf) continue;
d[i][j]=min(d[i][j],d[i][k]+d[k][j]);
}
}
}
for (int i=1; i<=n; i++) {
for (int j=1; j<=n; j++) {
cout<<d[i][j]<<" ";
} cout<<'\n';
}
return 0;
}