import java.io.*;
import java.util.StringTokenizer;

public class Main {

    static class MyScanner {
        private BufferedReader br;
        private StringTokenizer st;

        public MyScanner(Reader reader) {
            br = new BufferedReader(reader);
        }

        public String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }

        public long nextLong() {
            return Long.parseLong(next());
        }

        public double nextDouble() {
            return Double.parseDouble(next());
        }

        public String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }

    public static void main(String[] args) throws IOException {
        MyScanner scanner = new MyScanner(new FileReader("royfloyd.in"));

        int n = scanner.nextInt();

        int[][] dist = new int[n][n];
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                dist[i][j] = scanner.nextInt();
            }
        }

        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                if (i != j &&  dist[i][j] == 0)
                {
                    dist[i][j] = 100000;
                }
            }
        }

        for (int k = 0; k < n; k++)
        {
            for (int i = 0; i < n; i++)
            {
                for (int j = 0; j < n; j++)
                    if (dist[i][k] + dist[k][j] < dist[i][j])
                        dist[i][j] = dist[i][k] + dist[k][j];
            }
        }


        try (BufferedWriter writer = new BufferedWriter(new FileWriter("royfloyd.out"))) {
            for (int i = 0; i < n; i++) {
                for (int j = 0; j < n; j++) {
                    if (dist[i][j] == 100000)
                        dist[i][j] = 0;
                    writer.write(dist[i][j] + " ");
                }
                writer.newLine();
            }
        }
    }

}