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#include <fstream>
#define INF 100005
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n, a[103][103];
void citire();
void rez();
void afisare();
int main()
{
citire();
rez();
afisare();
return 0;
}
void citire()
{
int i, j, x;
f>>n;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
{
f>>x;
if (i!=j && x==0) a[i][j]=INF;
else a[i][j]=x;
}
}
void rez()
{
int x, y, k;
for (k=1;k<=n;k++)
for (x=1;x<=n;x++)
for (y=1;y<=n;y++)
if (a[x][y]>a[x][k]+a[k][y])
a[x][y]=a[x][k]+a[k][y];
}
void afisare()
{
int x, y;
for (x=1;x<=n;x++)
{
for (y=1;y<=n;y++)
g<<a[x][y]<<" ";
g<<'\n';
}
}