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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int main()
{
int n,i,j,k,dist[1024][1024],dmin[1024][1024];
f>>n;
for(i = 1;i <= n;i++)
for(j = 1;j <= n;j++)
{
f>>dist[i][j];
}
for(i = 1;i <= n;i++)
for(j = 1;j <= n;j++)
{
dmin[i][j] = dist[i][j];
}
for(k = 1;k <= n;k++)
for(i = 1;i <=n;i++)
for(j = 1;j <= n;j++)
{
if(dmin[i][j] > dmin[i][k] + dmin[k][j])
{
dmin[i][j] = dmin[i][k] + dmin[k][j];
}
}
for(i = 1;i <= n;i++)
{
if(i != 1)
g<<endl;
for(j = 1;j <= n;j++)
{
g<<dmin[i][j]<<" ";
}
}
return 0;
}