#include<cstdio>
#include<string>

using namespace std;

#ifdef HOME
const string inputFile = "input.txt";
const string outputFile = "output.txt";
#else
const string problemName = "royfloyd";
const string inputFile = problemName + ".in";
const string outputFile = problemName + ".out";
#endif

const int INF = (1 << 30) - 1;
const int NMAX = 100 + 5;

int N;
int A[NMAX][NMAX];

int main() {
    int i, j, k;

    freopen(inputFile.c_str(), "r", stdin);
    freopen(outputFile.c_str(), "w", stdout);

    scanf("%d", &N);

    for(i = 1; i <= N; i++)
        for(j = 1; j <= N; j++)
            scanf("%d", &A[i][j]);

    for(k = 1; k <= N; k++)
        for(i = 1; i <= N; i++)
            for(j = 1; j <= N; j++)
                if(A[i][k] && A[k][j] && i != j && i != k && j != k)
                    A[i][j] = min(A[i][j] ? A[i][j] : INF, A[i][k] + A[k][j]);

    for(i = 1; i <= N; i++) {
        for(j = 1; j <= N; j++)
            printf("%d ", A[i][j]);
        printf("\n");
    }

    return 0;
}