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#include <iostream>
#include <fstream>
#define nn 101
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a1[nn][nn],n,i,j,k;
int main()
{
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>a1[i][j];
for(k=1;k<=n;k++)
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(a1[i][j]!=0 && a1[i][k]+a1[k][j]<a1[i][j])
a1[i][j]=a1[i][k]+a1[k][j];
}
}
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{ g<<a1[i][j]<<" ";}g<<endl;}
}