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#include <iostream>
#include <vector>
#include <fstream>
#include <queue>
using namespace std;
int mat[105][105];
int main()
{
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int i,k,j,N,x,y;
in>>N;
for(i=1;i<=N;i++)
{
for(j=1;j<=N;j++)
{
in>>mat[i][j];
if(i!=j && mat[i][j]==0)
mat[i][j]=1005;
}
}
for(k=1;k<=N;k++)
for(i=1;i<=N;i++)
for(j=1;j<=N;j++)
if(mat[i][j]>mat[i][k]+mat[k][j])
mat[i][j]=mat[i][k]+mat[k][j];
for(i=1;i<=N;i++)
{
for(j=1;j<=N;j++)
{
if(i!=j && mat[i][j]==1005)
out<<0<<" ";
else
out<<mat[i][j]<<" ";
}
out<<"\n";
}
return 0;
}