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#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[105][105];
int n,i,j,k;
int main() {
const int INF = (1<<30);
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++) {
f>>a[i][j];
if(a[i][j]==0)
a[i][j]=INF;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
if(i!=k)
for(j=1;j<=n;j++)
if(j!=i && j!=k && a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++) {
for(j=1;j<=n;j++) {
if(a[i][j]==INF)
g<<"0 ";
else
g<<a[i][j]<<" ";
}
g<<"\n";
}
return 0;
}