#include <cstdio>
#include <algorithm>

using namespace std;

const int NMAX = 105;

const int INF = 0x3f3f3f3f;

int a[NMAX][NMAX]; //mat adiacenta
int d[NMAX][NMAX]; //mat distante

int main(){
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);

	int n;
	scanf("%d",&n);

	for(int i=1;i<=n;++i)
		for(int j=1;j<=n;++j){
				scanf("%d",&a[i][j]);
				if(a[i][j]==0)
					d[i][j]=INF;
				else
					d[i][j]=a[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)
			d[i][j]=min(d[i][j],d[i][k]+d[k][j]);

	for(int i=1;i<=n;++i){
		for(int j=1;j<=n;++j)
			if(d[i][j]==INF)
				printf("0 ");
			else
				printf("%d ",d[i][j]);
		printf("\n");
	}


	return 0;
}