/*#include<bits/stdc++.h>
#define Inf 10000
using namespace std;
int n,circuit=0,viz[100]={0},a[20][20],a2[20][20];
void citire(int a[][100],int &n)
 {  int m,i,j;
     ifstream fin("dijkstra.in");
     fin>>n>>m;
     for( i=1;i<=n;i++)
        for( j=1;j<=n;j++)
        if(i==j) a[i][j]=0;
        else a[i][j]=Inf;

     for(i=1;i<=m;i++)
     {int x,y,z;
         fin>>x>>y>>z;
         a[x][y]=z;
     }

}
void afisare(int a[][100],int n)
{
    int i,j;
    for(i=1;i<=n;i++)
    {for(j=1;j<=n;j++)
        cout<<a[i][j]<<" ";
        cout<<endl;
    }
}
void royfloyd(int a[][100],int n)
{
    int i,j,k;
    for(k=1;k<=n;k++)
        {for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
          if((a[i][j]>a[i][k]+a[k][j] || !a[i][j]) && a[i][k] && a[k][j] && i!=j) a[i][j]=a[i][k]+a[k][j];
          //pred[k]=i,pred[j]=k;
         // afisare(a,n);
         // cout<<endl;
        }

}

void dijkstra(int a[][100],int n,int x,int pred[],int d[])
{
    int i,j,k,viz[100]={0},aa,y;
    for(i=1;i<=n;i++)
    {
        d[i]=a[x][i];
        pred[i]=x;
    }
    pred[x]=0;
    viz[x]=1;

    for(i=1;i<=n-1;i++)
    {
        aa=Inf;
        for(j=1;j<=n;j++) if(d[j]<aa && !viz[j])
        {
            aa=d[j];
            y=j;
        }
        if(aa!=Inf)
        {
            viz[y]=1;
        for(j=1;j<=n;j++)
            if(!viz[j] && d[j]>d[y]+a[y][j])
        {  d[j]=d[y]+a[y][j];
        pred[j]=y;

        }
        }

    }

}

void Afisare(int pred[100],int y)
{
    int i,j,k;
    while(y)
    {
        cout<<y;
        y=pred[y];
    }

}

void Afisare_r(int pred[],int y)
{
    if(y) {Afisare_r(pred,pred[y]);
    cout<<y;}
}

int main()
{   int a[100][100],i,j,n,pred[100],d[100],y;
    citire(a,n);
    //royfloyd(a,n);
   // afisare(a);
//cout<<sizeof(long long);
//t:sa se afiseze costul minim pentru drumul dintre 2 noduri x si y si drumul .
dijkstra(a,n,1,pred,d);
ofstream g("dijkstra.out");
//for(i=2;i<=n;i++) g<<d[i]<<' ';

//for(i=1;i<=n;i++) cout<<d[i]<<" ";
//cin>>y;
//Afisare(pred,y);
//cin>>y;
//Afisare_r(pred,y);
//t:sa se afiseze drumul minim dintre nodul x si oricare alt nod din graf, folosind dijkstra
//t:bile si auto

}*/
//roy-floyd
#include <bits/stdc++.h>
 using namespace std;
int n, a[105][105];

void citire()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    int i, j;
    scanf("%d",&n);
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++) scanf("%d",&a[i][j]);
}

void roy_floyd()
{
    int i, j, k;
    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            for (j = 1; j <= n; j++)
                if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) a[i][j] = a[i][k] + a[k][j];
}
void royfloyd()
{int i,j,k;
    for(k=1;k<=n;k++)
        {for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
          if((a[i][j]>a[i][k]+a[k][j] || !a[i][j]) && a[i][k] && a[k][j] && i!=j) a[i][j]=a[i][k]+a[k][j];
          //pred[k]=i,pred[j]=k;
         // afisare(a,n);
         // cout<<endl;
        }

}

void afis()
{
    int i, j;
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++) printf("%d ",a[i][j]);
        printf("\n");
    }
}


int main()
{
    citire();
    roy_floyd();
    afis();
    return 0;
}











//cu liste de vecini - 40 de puncte pe infoarena
/*#include <bits/stdc++.h>
#define Dim 50001
#define Jaime 1<<30
 using namespace std;


struct nod{int inf,cost;nod *adr;};
nod *v[Dim];

int n,d[Dim],m,i,q[Dim];

void add(nod *&p,int x,int y)
{
     nod *nou,*q;
     nou=new nod;
     nou->inf=x;
     nou->cost=y;
     nou->adr=NULL;
         if(p==NULL) p=nou;
         else{ q=p;
         while(q->adr) q=q->adr;
         q->adr=nou;
         }

}

void citire()
{ int m,i,x,y,z;
     ifstream fin("poveste.in");
     fin>>n>>m;
     for(i=1;i<=n;i++) v[i]=NULL;
     for(i=1;i<=m;i++)
     {   fin>>x>>y>>z;
         add(v[x],y,z);
     }

}


void add_1(int where, int what, int cost)
{
    nod *q = new nod;
    q->inf = what;
    q->cost = cost;
    q->adr = v[where];
    v[where] = q;
}

void read()
{ifstream f("dijkstra.in");
    f>>n>>m;

    int x, y, z;
    for ( int i = 1; i <= m; ++i )
    {
        f>>x>>y>>z;
        add_1(x, y, z);
    }
}
void dijkstra(int x)
{
    int i,j,k,viz[Dim]={0},aa,y=0;
    for(i=2;i<=n;i++) d[i]=Jaime;


    for(i=1;i<=n;i++)
    {
        aa=Jaime;
        for(j=1;j<=n;j++) if(d[j]<aa && !viz[j])
        {
            aa=d[j];
            y=j;
        }
    if(aa!=Jaime)
        {
   viz[y]=1;
           nod *t=v[y];
           while(t)
           {
               if ( d[t->inf] > d[y] + t->cost )  d[t->inf] = d[y] + t->cost;
            t=t->adr;
           }
        }

    }

}
void dijkstra_1()
{
    for ( int i = 2; i <= n; ++i )
        d[i] = Jaime;

    int min, pmin = 0;
    for ( int i = 1; i <= n; ++i )
    {
        min = Jaime;

        for ( int j = 1; j <= n; ++j )
            if ( d[j] < min && !q[j] )
                min = d[j], pmin = j;

        q[pmin] = 1;

        nod *t = v[pmin];

        while ( t )
        {
            if ( d[ t->inf ] > d[pmin] + t->cost )
                d[ t->inf ] = d[pmin] + t->cost;

            t = t->adr;
        }
    }
}
 void print(nod *p)
 {
     while(p)
     {
         cout<<p->inf<<' '<<p->cost;
         p=p->adr;
     }
     cout<<endl;
 }

int main()
{
    read();
   //print(v[1]);
    dijkstra(1);
    //dijkstra_1();
    ofstream g("dijkstra.out");
    for(i=2;i<=n;i++) if(d[i]==Jaime ) g<<'0'<<' ';
    else g<<d[i]<<' ';
    g<<'\n';
    return 0;
}*/
/*#include <bits/stdc++.h>
#define  maxn  50001
#define jaime  1 << 30
using namespace std;



FILE *in = fopen("dijkstra.in","r"), *out = fopen("dijkstra.out","w");

struct nod
{
    int inf, cost;
   nod *adr;
};

int n, m;
nod *v[maxn];
int d[maxn], q[maxn];


void add(nod *&p,int x,int y)
{
     nod *nou,*q;
     nou=new nod;
     nou->inf=x;
     nou->cost=y;
     nou->adr=NULL;
         if(p==NULL) p=nou;
         else{ q=p;
         while(q->adr) q=q->adr;
         q->adr=nou;
         }

}

void citire()
{ int m,i,x,y,z;

 fscanf(in, "%d %d", &n, &m);
     for(i=1;i<=n;i++) v[i]=NULL;
     for(i=1;i<=m;i++)
     {   fscanf(in, "%d %d %d", &x, &y, &z);
         add(v[x],y,z);
     }

}

void dijkstra()
{
    for ( int i = 2; i <= n; ++i )
        d[i] = jaime;

    int min, pmin = 0;
    for ( int i = 1; i <= n; ++i )
    {
        min = jaime;

        for ( int j = 1; j <= n; ++j )
            if ( d[j] < min && !q[j] )
                min = d[j], pmin = j;

        q[pmin] = 1;

        nod *t = v[pmin];

        while ( t )
        {
            if ( d[ t->inf ] > d[pmin] + t->cost )
                d[ t->inf ] = d[pmin] + t->cost;

            t = t->adr;
        }
    }
}

int main()
{
    citire();
    dijkstra();

    for ( int i = 2; i <= n; ++i )
        fprintf(out, "%d ", d[i] == jaime ? 0 : d[i]);
    fprintf(out, "\n");

    return 0;
}*/