#include <cstdio>
#include <climits>

#define INF INT_MAX/2-1
using namespace std;

int d[100][100];
int main()
{
    FILE* f=fopen("royfloyd.in", "r");

    int n;
    fscanf(f, "%d", &n);

    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            fscanf(f, "%d", &d[i][j]);
            if(d[i][j]==0)d[i][j]=INF;
        }
    }

    for(int k=0;k<n;k++){
        for(int i=0;i<n;i++){
            for(int j=0;j<n;j++){
                if(d[i][k]+d[k][j]<d[i][j])
                    d[i][j]=d[i][k]+d[k][j];
            }
        }
    }

    FILE *f1=fopen("royfloyd.out", "w");
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(d[i][j]==INF||(i==j))d[i][j]=0;
            fprintf(f1, "%d ", d[i][j]);
        }
        fprintf(f1, "\n");
    }
    return 0;
}