#include <stdio.h>
FILE *f,*g;
int n, a[105][105];

void royfloyd()
{
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];
}


int main()
{
f=fopen("royfloyd.in","r");
g=fopen("royfloyd.out","w");
int i, j;
fscanf(f,"%d",&n);
for (i = 1; i <= n; i++)
for (j = 1; j <= n; j++)
fscanf(f,"%d",&a[i][j]);

royfloyd();

for (i = 1; i <= n; i++)
{
for (j = 1; j <= n; j++)
fprintf(g,"%d ",a[i][j]);
fprintf(g,"\n");
}

fcloseall();
return 0;
}