#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int N, A[105][105];

void Read()
{
    fin>>N;
    for(int i=1;i<=N;++i)
        for(int j=1;j<=N;++j)
        fin>>A[i][j];
}

void RF()
{
    for(int k=1;k<=N;++k)
        for(int i=1;i<=N;++i)
            for(int j=1;j<=N;++j)
             if (A[i][k] && A[k][j] && (A[i][j] > A[i][k] + A[k][j] || !A[i][j]) && i != j) A[i][j] = A[i][k] + A[k][j];
}

void Print()
{
    for(int i=1;i<=N;++i)
        {for(int j=1;j<=N;++j)
        fout<<A[i][j]<<" ";
    fout<<"\n";
    }
}
int main()
{
    Read(); RF(); Print();
    return 0;
}