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/*
Keep It Simple!
*/
#include<stdio.h>
int n,mat[105][105];
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d",&n);
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
scanf("%d",&mat[i][j]);
for(int k=1;k<=n;k++)
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
if((mat[i][j] > (mat[i][k] + mat[k][j]) || !mat[i][j] ) && i!=j && mat[i][k] && mat[k][j])
mat[i][j] = mat[i][k] + mat[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
printf("%d ",mat[i][j]);
printf("\n");
}
}