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//============================================================================
// Name : royfloyd.cpp
// Author : Margineanu Cristian
// Version :
// Copyright : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int main() {
int t[105][105];
int n;
fin >> n;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++)
fin >> t[i][j];
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++)
for (int k = 1; k <= n; k++)
if (t[ i ][ k ]!=0&&t[ k ][ j ]!=0&&(t[ i ][ k ]+t[ k ][ j ]<t[ i ][ j ]|| t[ i ][ j ]==0) && i!=j)
t[i][j] = t[i][k] + t[k][j];
for (int i = 1; i <= n; i++){
for (int j = 1; j <= n; j++)
fout << t[i][j] << ' ';
fout << '\n';
}
return 0;
}