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#include <fstream>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
unsigned int N;
unsigned int matrix[101][101];
unsigned int i, j, k;
int main ()
{
fin >> N;
for (i=1; i<=N; i++)
for (j=1; j<=N; j++)
fin >> matrix[i][j];
for (k=1; k<=N; k++)
for (i=1; i<=N; i++)
for (j=1; j<=N; j++)
if (i!=j && matrix[i][k]!=0 && matrix[k][j]!=0 && (matrix[i][j]>matrix[i][k]+matrix[k][j] || matrix[i][j]==0))
matrix[i][j] = matrix[i][k] + matrix[k][j];
for (i=1; i<=N; i++)
{
for (j=1; j<=N; j++)
fout << matrix[i][j] << ' ';
fout << '\n';
}
return 0;
}