#include<cstdio>

long a[120][120],i,j,n,k;
int main(){
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	scanf("%ld",&n);
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			scanf("%ld",&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]!=0 && a[k][j]!=0 && (a[i][j]>a[i][k]+a[k][j] || (a[i][j]==0 && i!=j)))
					a[i][j]=a[i][k]+a[k][j];
	for(i=0;i<n;i++){
		for(j=0;j<n;j++)
			printf("%ld ",a[i][j]);
		printf("\n");
	}
	fclose(stdin);
	fclose(stdout);
	return 0;
}