#include <stdio.h>
#include <stdlib.h>
#include <algorithm>
#include <vector>

#define BUF_SIZE 16384
char buf[BUF_SIZE];
int pbuf=BUF_SIZE;
FILE*fi,*fo;
inline char nextch(){
    if(pbuf==BUF_SIZE){
        fread(buf, BUF_SIZE, 1, fi);
        pbuf=0;
    }
    return buf[pbuf++];
}
inline int nextnum(){
    int a=0;
    char c=nextch();
    while(c<'0' || c>'9')
        c=nextch();
    while('0'<=c && c<='9'){
        a=a*10+c-'0';
        c=nextch();
    }
    return a;
}

int v[100][100];

int main(){
    int n;
    fi=fopen("royfloyd.in","r");
    fo=fopen("royfloyd.out","w");
    n=nextnum();
    for(int i=0;i<n;i++)
        for(int j=0;j<n;j++)
            v[i][j]=nextnum();
    for(int k=0;k<n;k++)
        for(int i=0;i<n;i++)
            for(int j=0;j<n;j++){
                if(v[i][k] && v[j][k] && i!=j &&(!v[i][j] || v[i][j]>v[i][k]+v[k][j]))
                    v[i][j]=v[i][k]+v[k][j];
            }
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++)
            fprintf(fo,"%d ", v[i][j]);
        fprintf(fo,"\n");
    }
    fclose(fi);
    fclose(fo);
    return 0;
}