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#include<iostream>
#include<fstream>
using namespace std;
int a[101][101];
int main()
{
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n;
f>>n;
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
{f>>a[i][j];
if(a[i][j]==0&&i!=j)
a[i][j]=1001;
}
for(int k=0;k<n;k++)
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
if(a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
for(int i=0;i<n;i++)
{for(int j=0;j<n;j++)
g<<a[i][j]<<" ";
g<<endl;}
}