#include<stdio.h>
int main(){
	int n,k,i,j,a[100][100];
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	scanf("%d",&n);
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++){
			scanf("%d",&a[i][j]);
			if(i!=j&&a[i][j]==0)
				a[i][j]=1001;
		}
	for(k=1;k<=n;k++)
		for(i=1;i<n;i++)
			for(j=1;j<=n;j++)
				if(a[i][j]>a[i][k]+a[k][j])
					a[i][j]=a[i][k]+a[k][j];
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++)
			printf("%d ",a[i][j]);
		if(i!=n)
			printf("\n");
	}
	return 0;
}