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#include<fstream>
# define INF 9999999
using namespace std;
int i, j, n, k, c[103][103];
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int main (){
in>>n;
for(i=1; i<=n; i++)
for(j=1; j<=n ; j++){
in>>c[i][j];
c[i][j]=(c[i][j]==0?INF:c[i][j]);
}
for(k=1; k<=n; k++)
for(i=1; i<=n; i++)
for(j=1; j<=n; j++)
if(i!=j && i!=k && j!=k && c[i][j]>c[i][k]+c[k][j])
c[i][j]=c[i][k]+c[k][j];
for(i=1; i<=n; i++){
for(j=1; j<=n; j++)
c[i][j]!=INF?out<<c[i][j]<<" ":out<<"0"<<" ";
out<<"\n";
}
return 0;
}