#include <stdio.h>
int n, mat[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",&mat[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 (mat[i][k] && mat[k][j] && (mat[i][j] > mat[i][k] + mat[k][j] || !mat[i][j]) && i != j) mat[i][j] = mat[i][k] + mat[k][j];
}
void afis()
{
int i, j;
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++) printf("%d ",mat[i][j]);
    printf("\n");
    }
}
int main()
{
citire();
roy_floyd();
afis();
return 0;
}