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#include <stdio.h>
 
int n, a[105][105];
 
void citire()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
 
    int i, j;
    scanf("%d",&n);
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++) scanf("%d",&a[i][j]);
}
 
void roy_floyd()
{
    int i, j, k;
    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] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) a[i][j] = a[i][k] + a[k][j];
}
 
void afis()
{
    int i, j;
    for (i = 1; i <= n; i++) 
    {
        for (j = 1; j <= n; j++) printf("%d ",a[i][j]);
        printf("\n");
    }
}
 
 
int main()
{
    citire();
    roy_floyd();
    afis();
    return 0;
}