#include<stdio.h>
const int N=101;
const int inf=1000000;
int a[N][N], n;
void citire();
void calcul();
void drum (int, int);
int main(){
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	citire();
	calcul();
	for(int i=1;i<=n;++i){
		for(int j=1;j<=n;++j)
			printf("%d ",a[i][j]);
		printf("\n");
	}
	return 0;
}
void citire(){
	scanf("%d",&n);
	for(int i=1;i<=n;++i)
		for(int j=1;j<=n;++j)
		{
			scanf("%d",&a[i][j]);
			if (i!=j && a[i][j]==0)
				a[i][j]=inf;
		}
}
void calcul(){
	for(int k=1;k<=n;++k)
		for(int i=1;i<=n;++i)
			for(int j=1;j<=n;++j)
				if(a[i][k]+a[k][j]<a[i][j])
					a[i][j]=a[i][k]+a[k][j];
}