#include<stdio.h>

#define INF 32000

int A[101][101];
int N;

void citire(void)
{
	FILE *f = fopen("royfloyd.in","r");
	
	fscanf(f,"%d ",&N);
	for(int i=1;i<=N;i++)
		for(int j=1;j<=N;j++)
		{
			fscanf(f,"%d ",&A[i][j]);
			if(!A[i][j] && i!=j)
				A[i][j] = INF;
		}
	
	fclose(f);
}

void royfloyd(void)
{
	for(int k=1;k<=N;k++)
		for(int i=1;i<=N;i++)
			for(int j=1;j<=N;j++)
				if(A[i][j] > A[i][k] + A[k][j])
					A[i][j] = A[i][k] + A[k][j];
}

void afisare(void)
{
	FILE *f = fopen("royfloyd.out","w");
	
	for(int i=1;i<=N;i++)
	{
		for(int j=1;j<=N;j++)
			if(A[i][j] != INF)
				fprintf(f,"%d ",A[i][j]);
			else
				fprintf(f,"0 ");
		fprintf(f,"\n");
	}
		
	fclose(f);
}

int main()
{
	citire();
	royfloyd();
	afisare();
	
	return 0;
}