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#include <fstream>
#define inf 1001
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,c[101][101];
void cit()
{
f>>n;
int i,j;
for(i=1; i<=n; ++i)
for(j=1; j<=n; ++j)
{
f>>c[i][j];
if(c[i][j]==0) c[i][j]=inf;
}
}
void roy()
{
int k,i,j;
for(k=1; k<=n; ++k)
for(i=1; i<=n; ++i)
for(j=1; j<=n; ++j)
if(i!=j&&c[i][j]>c[i][k]+c[k][j]) c[i][j]=c[i][k]+c[k][j];
}
int main()
{
cit();
roy();
int i,j;
for(i=1; i<=n; ++i)
{
for(j=1; j<=n; ++j)
if(c[i][j]!=inf) g<<c[i][j]<<" ";
else g<<"0 ";
g<<'\n';
}
return 0;
}