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#include <bits/stdc++.h>
using namespace std;
int cost[105][105];
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
int m ,n,i,j,k;
cin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
cin>>cost[i][j];
if(cost[i][j]==0&&i!=j)cost[i][j]=105*105*105;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
cost[i][j]=min(cost[i][j],cost[i][k]+cost[k][j]);
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{if(cost[i][j]!=105*105*105)
cout<<cost[i][j] <<" ";
else
cout<<0<<" ";}
cout<<endl;
}
return 0;
}