#include<fstream.h>
#include<stdio.h>
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,a[101][101],b[101][101],k,inf=1001;
int fct(){
	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][j]=a[i][k]+a[k][j];
	return 0;
}	
int main(){
	f>>n;
/*	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++){
			if(i==j)
				b[i][j]=0;
			else 
				b[i][j]=inf;
		}*/
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++){
			f>>a[i][j];
			/*if((a[i][j]==0)&&(i==j))
				b[i][j]=inf;
			else 
				b[i][j]=a[i][j];*/
		}
	fct();
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
			//if(b[i][j]==inf)
				//g<<"0 ";
			//else
			g<<a[i][j]<<' ';
		}
		g<<"\n";
	}
	f.close();
	g.close();
	return 0;
}