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#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n, a[101][101];
int main() {
f >> n;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
f >> a[i][j];
for(int k = 1; k <= n; k++)
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
if(a[i][j] > a[i][k] + a[k][j])
a[i][j] = a[i][k] + a[k][j];
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= n; j++)
g << a[i][j] << ' ';
g << '\n';
}
}