#include<stdio.h>

int n,i,j,k,a[100][100],b[100][100];

int main(void)
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);

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

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

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

return 0;
}