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#include <fstream>
#include <climits>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
int v[105][105];
int sol[105][105];
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
fin>>sol[i][j];
if(!sol[i][j] && i!=j)
sol[i][j]=0x3FFFFFFF;
}
}
for(int k=1;k<=n;k++)
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(sol[i][j]>sol[i][k]+sol[k][j] && sol[i][k]!=0 && sol[k][j]!=0)
sol[i][j]=sol[i][k]+sol[k][j];
}
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++)
{
fout<<sol[i][j]<<' ';
}
fout<<'\n';
}
}