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#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int NMAX = 110;
const int oo = 0x3f3f3f3f;
int N, D[NMAX][NMAX];
int main()
{
fin >> N;
for(int i = 1; i <= N; i++)
for(int j = 1; j <= N; j++)
{
fin >> D[i][j];
if(i !=j && !D[i][j]) D[i][j] = oo;
}
for(int k = 1; k <= N; k++)
for(int i = 1; i <= N; i++)
for(int j = 1; j <= N; j++)
if(i != j)
D[i][j] = min(D[i][j], D[i][k] + D[k][j]);
for(int i = 1; i <= N; i++)
{
for(int j = 1; j <= N; j++)
fout << D[i][j] << ' ';
fout << '\n';
}
return 0;
}