#include <cstdio>
using namespace std;

unsigned int v[105][105];
int n;
//a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j])
int main() {
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for (int i=1;i<=n;i++) for (int j=1;j<=n;j++) scanf("%d",&v[i][j]);
    for (int k=1;k<=n;k++) for (int i=1;i<=n;i++) for (int j=1;j<=n;j++) {
        if (i!=j && v[i][k] && v[k][j] && v[i][k]+v[k][j] < v[i][j]) v[i][j] = v[i][k]+v[k][j];
        if (i!=j && v[i][k] && v[k][j] && (v[i][j] == 0)) v[i][j] = v[i][k]+v[k][j];
    }
    for (int i=1;i<=n;i++) {
        for (int j=1;j<=n;j++) printf("%d ",v[i][j]);
        printf("\n");
    }
}