#include <fstream>
std::ifstream in("royfloyd.in");
std::ofstream out("royfloyd.out");
int main() {
    short n,i,j,k;
    in>>n;
    short v[n][n];
    for(i=0; i<n; ++i)
        for(j=0; j<n; ++j)
            in>>v[i][j];
    for(k=0; k<n; ++k)
        for(i=0; i<n; ++i)
            for(j=0; j<n; ++j)
                if(v[i][k]&&v[k][j]&&(v[i][j]>v[i][k]+v[k][j]||!v[i][j])&&i!=j)
                    v[i][j]=v[i][k]+v[k][j];
    for(i=0; i<n; ++i) {
        for(j=0; j<n; ++j)
            out<<v[i][j]<<" ";
        out<<'\n';
    }
}