#include<iostream>
#include<fstream>
using namespace std;
int a[100][100],n,l[100][100];
ifstream f1("royfloyd.in");
ofstream f2("royfloyd.out");

void cit() {f1>>n;int x,y;
            for (int i=1;i<=n;i++)
                for (int j=1;j<=n;j++)
            {f1>>a[i][j];l[i][j]=a[i][j];}
}

void nr() {
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
            if (l[i][j]==0 and i!=j) l[i][j]=1001;//maxim
}

void warshall() {
            for (int k=1;k<=n;k++)
                for (int i=1;i<=n;i++)
                    for (int j=1;j<=n;j++)
                    if (l[i][j]>l[i][k]+l[k][j])
                    l[i][j]=l[i][k]+l[k][j];
}

void afis() {
            for (int i=1;i<=n;i++)
            {
                for (int j=1;j<=n;j++)
                    f2<<l[i][j]<<" ";
                f2<<'/n';
            }
}

int main() {cit();nr();warshall();afis();}