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#include <iostream>
#include <cstdio>
#include <vector>
using namespace std;
int a[101][101],n;
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d",&n);
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
{
scanf("%d",&a[i][j]);
}
for(int k=0;k<n;k++)
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
if(i!=k && j!=k)
if(a[k][j]!=0 && a[i][k]!=0)
a[i][j] = min(a[i][j],a[i][k]+a[k][j]);
for(int i=0;i<n;i++,printf("\n"))
for(int j=0;j<n;j++)
printf("%d ",a[i][j]);
return 0;
}