#include<fstream>
#define INF 999999999
std::ifstream fin("royfloyd.in");
std::ofstream fout("royfloyd.out");

int G[105][105], sol[105][105];
int n;

void read()
{
    fin>>n;
    for(int i=1; i<=n; ++i)
        for(int j=1; j<=n; ++j)
        {
            fin>>G[i][j];
            sol[i][j]=(G[i][j]==0)?INF:G[i][j];
        }
    for(int i=1; i<=n; ++i)
        sol[i][i]=0;
}
void floyd_warshall()
{
    for(int k=1; k<=n; ++k)
        for(int i=1; i<=n; ++i)
            for(int j=1; j<=n; ++j)
                if(sol[i][j]>sol[i][k]+sol[k][j] && sol[i][k]!=INF && sol[k][j]!=INF)
                    sol[i][j]=sol[i][k]+sol[k][j];
    for(int i=1; i<=n; ++i)
    {
        for(int j=1; j<=n; ++j)
        {
            if(sol[i][j]==INF)
                sol[i][j]=0;
            fout<<sol[i][j]<<' ';
        }
        fout<<'\n';
    }
}
int main()
{
    read();
    floyd_warshall();
    return 0;
}