#include<stdio.h>
#define dim 110

int i,j,n,k,V[dim][dim];

FILE*f=fopen("royfloyd.in","r");
FILE*g=fopen("royfloyd.out","w");

void read(){
	fscanf(f,"%d",&n);
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			fscanf(f,"%d",&V[i][j]);
}

int main(){
	
	read();
	
	for(k=1;k<=n;k++){
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if( i!=j&&(V[i][k] && V[k][j] && ( (V[i][k]+V[k][j]) < V[i][j] )||V[i][j]==0 ) )
					V[i][j]=V[i][k]+V[k][j];
	}
	
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++)
			fprintf(g,"%d ",V[i][j]);
		fprintf(g,"\n");
	}
	
	return 0;
}