#include <stdio.h>
#include <ctype.h>
#define INF 0x3F3F3F3F
#define N 100
#ifdef __unix___
#define getchar getchar_unlocked
#define putchar putchar_unlocked
#endif // __unix___

int read () {
    int c;
    while (!isdigit(c=getchar()));

    int ans=0;
    do
        ans = (ans<<3) + (ans<<1) + c - '0';
    while (isdigit(c=getchar()));

    return ans;
}

int a[N+1][N+1];
int main (void) {
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    int n=read(), i, j, k;
    for (i=1; i<=n; ++i)
        for (j=1; j<=n; ++j) {
            a[i][j]=read();
            if (i!=j && !a[i][j])
                a[i][j]=INF;
        }

    for (k=1; k<=n; ++k)
        for (i=1; i<=n; ++i)
            for (j=1; j<=n; ++j)
                if (a[i][j] > a[i][k] + a[k][j])
                    a[i][j] = a[i][k] + a[k][j];

    for (i=1; i<=n; ++i, putchar('\n'))
        for (j=1; j<=n; ++j)
            printf("%d ", a[i][j]);
    return 0;
}