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#include <bits/stdc++.h>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
int n, ad[105][105], cost[105][105];
const int inf=200000000;
int main(){
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++){
fin>>ad[i][j];
cost[i][j]=inf;
}
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++){
if(ad[i][j]!=0)
cost[i][j]=ad[i][j];
}
for(int k=1;k<=n;++k)
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
if(i!=j)
if(cost[k][j]<inf && cost[i][k]<inf && cost[i][j]>cost[i][k]+cost[k][j])
cost[i][j]=cost[i][k]+cost[k][j];
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(cost[i][j]!=inf)
fout<<cost[i][j]<<" ";
else fout<<0<<" ";
}
fout<<"\n";
}
return 0;
}