#include<stdio.h>
short int d[100][100];
char n,i,j,k;
int main() {
    freopen("royfloyd.in","r",stdin),freopen("royfloyd.out","w",stdout),scanf("%d",&n);
    for(i=0;i<n;i++)
    for(j=0;j<n;j++)
        scanf("%d",&d[i][j]);
    for(k=0;k<n;k++)
    for(i=0;i<n;i++)
    for(j=0;j<n;j++)
    if(d[i][k]&&d[k][j]&&i!=j&&(d[i][j]>d[i][k]+d[k][j]||!d[i][j]))
        d[i][j]=d[i][k]+d[k][j];
    for(i=0;i<n;i++) {
        for(j=0;j<n;j++)
            printf("%d ",d[i][j]);
        printf("\n");
    }
    return 0;
}