# include <stdio.h>
int a[105][105];
int n;

void citire(){
	int i,j;
	scanf("%d",&n);
	for (i=1;i<=n;++i)
	   for (j=1;j<=n;++j)
			scanf("%d",&a[i][j]);
}
void royfloyd(){
	int i,j,k;
	for (k=1;k<=n;++k)
		for (i=1;i<=n;++i)
			for (j=1;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];
 }

int main(){
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int i,j;
    citire();
	royfloyd();
	for (i=1;i<=n;++i){
		for (j=1;j<=n;++j)
			printf("%d ",a[i][j]);
		printf("\n");
	}
	return 0;
}