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