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#include <bits/stdc++.h>
using namespace std;
std::ifstream fin("royfloyd.in");
std::ofstream fout("royfloyd.out");
#define inf 2000000000
int main()
{
int n, nums[1001][1001];
fin >> n;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
{
fin >> nums[i][j];
if(nums[i][j] == 0) nums[i][j] = inf;
}
}
for(int k = 1; k <= n; k++)
{
for(int i =1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
{
if(i != j)
{
nums[i][j] = min(nums[i][k] + nums[k][j], nums[i][j]);
}
}
}
}
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
{
if(nums[i][j] == inf) fout << 0 << ' ';
else fout << nums[i][j] << ' ';
}
fout << endl;
}
}