#include <cstdio>

int n, cost[101][101];

void read()
{
    scanf("%d\n",&n);
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            scanf("%d ",&cost[i][j]);
}

void write()
{
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
            printf("%d ",cost[i][j]);
        printf("\n");
    }
}

void roy_floyd()
{
    for (int k = 1; k <= n; ++ k)
        for (int i = 1; i <= n; ++ i)
            for (int j = 1; j <= n; ++ j)
                if (i != j && cost[i][k] != 0 && cost[k][j] != 0 && (cost[i][k] + cost[k][j] < cost[i][j] || cost[i][j] == 0))
                    cost[i][j] = cost[i][k] + cost[k][j];
}
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    read();
    roy_floyd();
    write();
    return 0;
}