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#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int v[101][101],i,j,n,k;
int main()
{f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>v[i][j];
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(v[i][k]*v[k][j]&&i!=j&&(v[i][k]+v[k][j]<v[i][j])||v[i][j]==0)
v[i][j]=v[i][k]+v[k][j];
for(i=1; i<=n; i++) v[i][i]=0;
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
g<<v[i][j]<<' ';
g<<'\n';}
return 0;
}