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#include <iostream>
#include <fstream>
#include <climits>
#define VMAX 100
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int W[VMAX][VMAX], d[VMAX][VMAX];
int V, x, y, cost;
int main()
{
fin >> V;
for (int i = 0; i < V; ++i)
for (int j = 0; j < V; ++j)
fin >> d[i][j];
for (int i = 0; i < V; ++i)
for (int j = 0; j < V; ++j)
if (i != j && d[i][j] == 0) d[i][j] = INT_MAX;
for (int k = 0; k < V; ++k)
for (int i = 0; i < V; ++i)
for (int j = 0; j < V; ++j)
if (d[i][k] != INT_MAX && d[k][j] != INT_MAX) d[i][j] = min(d[i][j], d[i][k] + d[k][j]);
for (int i = 0; i < V; ++i)
{
for (int j = 0; j < V; ++j)
fout << d[i][j] << " ";
fout << endl;
}
fin.close();
fout.close();
return 0;
}