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#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,i,j,k,cost[100][100];
int main(){
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
fin>>cost[i][j];
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
for(k=1;k<=n;k++)
if(cost[i][k]+cost[k][j]<cost[i][j])
cost[i][j]=cost[i][k]+cost[k][j];
for(i=1;i<=n;i++){
for(j=1;j<=n;j++)
fout<<cost[i][j]<<" ";
fout<<'\n';
}
return 0;
}