#include <cstdio>
//#define n_max 100

//using namespace std;

int n,a[110][110];

void read(){
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 solve(){
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 write(){

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

int main(void){

read();
solve();
write();
}