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#include <fstream>
using namespace std;
#define Nmax 101
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
int m[Nmax][Nmax];
int values[Nmax][Nmax];
int main()
{
fin >> n;
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++)
{
fin >> m[i][j];
values[i][j] = m[i][j];
}
for(int k = 0; k < n; k++)
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++)
if((values[i][j] > values[i][k] + values[k][j] || !values[i][j]) && values[i][k] && values[k][j] && i !=j)
values[i][j] = values[i][k] + values[k][j];
for(int i = 0; i < n; i++){
for(int j = 0; j < n; j++)
fout << values[i][j] <<" ";
fout << "\n";
}
fin.close();
fout.close();
return 0;
}