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#include <fstream>
#define nmax 109
#define INF 10000000
using namespace std;
int d[nmax][nmax],m[nmax][nmax];
int main()
{
int i,j,k,n;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
f>>m[i][j];
if(m[i][j]==0)
{
d[i][j]=INF;
}
else
{
d[i][j]=m[i][j];
}
}
for(i=1;i<=n;i++)
d[i][i]=0;
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(d[i][k]+d[k][j]<d[i][j])
{
d[i][j]=d[i][k]+d[k][j];
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n-1;++j)
g<<d[i][j]<<" ";
g<<d[i][n]<<"\n";
}
return 0;
}