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