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#include <cstdio>
using namespace std;
int mat[105][105],d[100][100];
const int inf=0x3fffffff;
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
int n,k,i,j;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
scanf("%d",&mat[i][j]);
d[i][j]=mat[i][j];
if(d[i][j]==0) d[i][j]=inf;
}
}
for(k=1;k<=n;k++)
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(i!=j)
if(d[i][j]>d[i][k]+d[k][j]) d[i][j]=d[i][k]+d[k][j];
}
}
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(d[i][j]==inf) d[i][j]=0;
printf("%d ",d[i][j]);
}
printf("\n");
}
return 0;
}