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#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[105][105];
int main()
{
int n, i, j, k;
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
fin>>a[i][j];
for(k=1; k<=n; k++)
for(i=1; i<=n; i++)
for(j=1; j<=n; j++)
if(i!=j && k!=j)
if(a[i][k] && a[k][j])
if(a[i][k]+a[k][j]<a[i][j] || !a[i][j])
a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
fout<<a[i][j]<<" ";g<<endl;}
return 0;
}