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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int MAXN = 100, INF = 0x3f3f3f3f;
int N, G[MAXN + 1][MAXN + 1];
int main()
{
fin >> N;
for(int i = 1; i <= N; ++i)
for(int j = 1; j <= N; ++j)
fin >> G[i][j];
for(int k = 1; k <= N; ++k)
for(int i = 1; i <= N; ++i)
for(int j = 1; j <= N; ++j)
if(G[i][k] && G[k][j] && i != j)
G[i][j] = min(G[i][j], G[i][k] + G[k][j]);
for(int i = 1; i <= N; ++i) {
for(int j = 1; j <= N; ++j)
fout << G[i][j] << ' ';
fout << '\n';
}
return 0;
}