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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[1001][1001],d[1001][1001],succ[1001][1001];
int main()
{
int x,y,i,j,k;
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>a[i][j];
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
d[i][j]=a[i][j];
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(d[i][j]>d[i][k]+d[k][j])
{
d[i][j]=d[i][k]+d[k][j];
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++)
g<<d[i][j]<<" ";
g<<endl;
}
}