#include <bits/stdc++.h>
#define pii pair<int,int>
#define fs first
#define sc second
#define pb push_back
#define zeros(x) x&(-x)
#define all(v) v.begin(), v.end()
#define MOD 1000000007
#define oo 2000000000
#define pii pair<int,int>
#define ll long long
#define ld long double
#define ull unsigned long long
#define mem(a) memset(a,0,sizeof(a))
#define pi 3.14159265359
#define MAXN 100010
using namespace std;
ifstream fin("a.in");
ofstream fout("a.out");

int a[105][105],tata[105][105];
int i,j,k,n;
int main()
{
    fin>>n;
    for(i=1; i<=n; ++i)
        for(j=1; j<=n; ++j)
        {
            fin>>a[i][j];
            if(a[i][j] == 0)
                a[i][j] = oo;
        }

    for(k=1; k<=n; ++k)
        for(i=1; i<=n; ++i)
            for(j=1; j<=n; ++j)
                if(i!=j && a[i][k]!=oo && a[k][j]!=oo && a[i][k] + a[k][j] <= a[i][j])
                {
                    a[i][j] = a[i][k] + a[k][j];
                    tata[i][j] = tata[k][j];
                }

    for(i=1; i<=n; ++i,fout<<"\n")
        for(j=1; j<=n; ++j)
            if(a[i][j] == oo) fout<<"0 ";
            else fout<<a[i][j]<<" ";
    return 0;
}