#include <stdio.h>
int n,a[101][101];

void rf(){
 int k,i,j;

 for (k=1;k<=n;k++){
  for(i=1;i<=n;i++){

    for(j=1;j<=n;j++){
 if((a[i][k]>0) &&(a[k][j]>0)&&((a[i][j]>a[i][k]+a[k][j])||((a[i][j]==0)&&(i!=j)))){

      a[i][j]=a[i][k]+a[k][j];
     }
    }


  }
 }

}

int main(){
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]);
 }

}

rf();

//kiir

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

}
printf("%d\n",a[i][j]);
}

 return 0;
}