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#include <fstream>
#include <vector>
#include <climits>
using namespace std;
ifstream be("royfloyd.in");
ofstream ki("royfloyd.out");
int main()
{
int n;
be >> n;
vector<vector<int>> v(n, vector<int>(n));
for(int i = 0; i < n; i++)
{
for(int j = 0; j < n; j++)
{
be >> v[i][j];
}
}
for(int k = 0; k < n; k++)
{
for(int i = 0; i < n; i++)
{
for(int j = 0; j < n; j++)
{
if(v[i][j] > v[i][k] + v[k][j])
{
v[i][j] = v[i][k] + v[k][j];
}
}
}
}
for(int i = 0; i < n; i++)
{
for(int j = 0; j < n; j++)
{
ki << v[i][j] << " ";
}
ki << "\n";
}
return 0;
}