#include<stdio.h>
FILE *f,*g;
int n,a[110][110];

int main()
{
f=fopen("royfloyd.in","r");
g=fopen("royfloyd.out","w");
int i,j,k;
fscanf(f,"%d",&n);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
fscanf(f,"%d",&a[i][j]);

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]=a[i][k]+a[k][j];

for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
fprintf(g,"%d ",a[i][j]);
fprintf(g,"\n");
}
fcloseall();
return 0;
}