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#include <iostream>
#include <fstream>
using namespace std;
int a[105][105];
int main()
{
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,k;
f>>n;
for(i=0;i<n;i++)
for(j=0;j<n;j++)
f>>a[i][j];
for(k=0;k<n;k++)
for(i=0;i<n;i++)
for(j=0;j<n;j++)
if(a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])&&i!=j)
a[i][j]=a[i][k]+a[k][j];
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
g<<a[i][j]<<" ";
g<<endl;
}
}