#include<stdio.h>
int main()
{FILE *f,*g;
f=fopen("royfloyd.in","r");
g=fopen("royfloyd.out","w");
int n=0,i=0,j=0,k=0,a[101][101];
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][j]>a[i][k]+a[k][j] || !a[i][j])	&& 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");
}
fclose(f);
fclose(g);
return 0;
}