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#include<cstdio>
#include<algorithm>
using namespace std;
int main()
{
int n,m[107][107];
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]);
if(m[i][j]==0) m[i][j]=1000000000;
}
}
for(int k=1;k<=n;k++)
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(i!=j) m[i][j]=min(m[i][j],(m[i][k]+m[k][j]));
}
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(m[i][j]==1000000000) printf("0 "); else printf("%d ",m[i][j]);
}
printf("\n");
}
}