#include<stdio.h>
#define INF 200000000
int n,g[101][101];

void citire()
{
    FILE *f=fopen("royfloyd.in","r");
    fscanf(f,"%d",&n);
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
        {
            fscanf(f,"%d",&g[i][j]);
            if(g[i][j]==0) g[i][j]=INF;
        }
    fclose(f);
}

int min(int a, int b)
{
    if(a<b) return a;
    return b;
}

void royfloyd()
{
    for(int k=1;k<=n;++k)
        for(int i=1;i<=n;++i)
            for(int j=1;j<=n;++j)
                if(k!=i&&k!=j&&i!=j)
                    g[i][j]=min(g[i][j],g[i][k]+g[k][j]);
}

void scriere()
{
    FILE*f=fopen("royfloyd.out","w");
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
            if(g[i][j]!=INF) fprintf(f,"%d ",g[i][j]);
            else fprintf(f,"0 ");
        fprintf(f,"\n");
    }
    fclose(f);
}

int main()
{
    citire();
    royfloyd();
    scriere();
    return 0;
}