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