#include<stdio.h>
int a[105][105],i,j,k,n;
void citire(){
	scanf("%d",&n);
	for(i=1;i<=n;++i)
		for(j=1;j<=n;++j)
			scanf("%d",&a[i][j]);
}
void rf(){
	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]==0) && a[i][k] && a[k][j] && i!=j)
					a[i][j]=a[i][k]+a[k][j];
}
void printare(){
	for(i=1;i<=n;++i){
		for(j=1;j<=n;++j)
			printf("%d ",a[i][j]);
		printf("\n");
	}
}
int main(){
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	citire();
	rf();
	printare();
	return 0;
}