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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[102][102]={0},n;
void citire()
{int i,j;
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
fin>>a[i][j];
}
void afisare()
{
int i,j;
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
fout<<a[i][j]<<' ';
fout<<endl;
}
}
int main()
{
int i,j,k;
citire();
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(a[i][k]!=0 && a[k][j]!=0 && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
a[i][j]=a[i][k]+a[k][j];
afisare();
}