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#include <fstream>
#define inf 1000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,i,j,k,d[105][105];
int main(){
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++){
fin>>d[i][j];
if(!d[i][j])
d[i][j]=inf;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j)
d[i][j]=min(d[i][j],d[i][k]+d[k][j]);
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
if(d[i][j]>=inf)
fout<<0<<' ';
else
fout<<d[i][j]<<' ';
}
fout<<'\n';
}
return 0;
}