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#include <bits/stdc++.h>
using namespace std;
int d[110][110];
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
int n;
scanf("%d",&n);
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++) scanf("%d",&d[i][j]);
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(i!=j && d[i][k] && d[k][j] && (d[i][k]+d[k][j]<d[i][j] or !d[i][j])) d[i][j]=d[i][k]+d[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++) printf("%d ",d[i][j]);
printf("\n");
}
return 0;
}