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/*
~Keep It Simple!~
*/
#include <stdio.h>
#include <string.h>
int m[101][101],min[101][101];
int n;
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d",&n);
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
scanf("%d",&m[i][j]);
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
if(m[i][k] && m[k][j])
if(m[i][j] > m[i][k] + m[k][j])
m[i][j] = m[i][k] + m[k][j];
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
printf("%d ",m[i][j]);
printf("\n");
}
}