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using namespace std;
#include<fstream>
#include<iostream>
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n, a[101][101];
int main()
{
int k,i,j;
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<<'\n';
}
return 0;
}