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#include <iostream>
#include <fstream>
#define N 200
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[N][N],i,j,n,m,k,t,p,r;
int main()
{
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>a[i][j];
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
for(k=1;k<=n;k++)
if(a[i][k]!=0 && a[k][j]!=0 && (a[i][j]>a[i][k]+a[k][j] || a[i][j]==0) && i!=j)
a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
g<<a[i][j]<<' ';
cout<<'\n';
}
}