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#include<cstdio>
#define N 100
using namespace std;
int a[N+1][N+1];
int min(int a,int b){
if (a==0) return b;
return a<b ? a : b;
}
int main(){
freopen ("royfloyd.in","r",stdin);
freopen ("royfloyd.out","w",stdout);
int n,i,j,k;
scanf ("%d",&n);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
scanf ("%d",&a[i][j]);
for(k=1;k<=n;k++)
for(i=1;i<=n;i++){
for(j=1;j<i;j++)
if (a[i][k]!=0 &&a[k][j]!=0) a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
for(j++;j<=n;j++)
if (a[i][k]!=0 &&a[k][j]!=0) a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++)
printf ("%d ",a[i][j]);
printf ("\n");
}
return 0;
}