#include <cstdio>
#define inf 1000000
int d[105][105];
int n;
int min(int a,int b){   return (a>b)?b:a;   }
void init(){
    int i,j;
    for (i=1;i<=n;++i)
        for (j=1;j<=n;++j)
            if (i!=j)
                d[i][j]=inf;
}
int main()
{
    int i,j,x;
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    init();
    for (i=1;i<=n;++i)
        for (j=1;j<=n;++j){
            scanf("%d",&x);
            if (x)
                d[i][j]=x;
        }
    for (x=1;x<=n;++x)
        for (i=1;i<=n;++i)
            for (j=1;j<=n;++j)
                d[i][j]=min(d[i][j],d[x][j]+d[i][x]);
    for (i=1;i<=n;++i){
        for (j=1;j<=n;++j){
            if (d[i][j]==inf)
                printf("0 ");
            else
                printf("%d ",d[i][j]);
        }
        printf("\n");
    }
	return 0;
}