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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n, a[105][105];
int main()
{
f>>n;
for(int i = 0; i < n; ++i)
for(int j = 0; j < n; ++j)
f>>a[i][j];
for(int k = 0; k < n; ++k)
for(int i = 0; i < n; ++i)
for(int j = 0; j < n; ++j)
if(a[i][k] && a[k][j] && a[i][j] > a[i][k] + a[k][j])
a[i][j] = a[i][k] + a[k][j];
for(int i = 0; i < n; ++i, g<<'\n')
for(int j = 0; j < n; ++j)
g<<a[i][j]<<' ';
return 0;
}