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#include <iostream>
#include <cstdio>
#define NMAX 105
using namespace std;
int graf[NMAX][NMAX];
int N;
void citire()
{
scanf("%d\n",&N);
for(int i=1; i<=N; i++)
for(int j=1; j<=N; j++)
scanf("%d",*(graf+i)+j);
}
void rf()
{
for(int i=1;i<=N;i++)
for(int j=1;j<=N;j++)
for(int k=1;k<=N;k++)
if(i!=j && j!=k && k!=i)
if(graf[i][k]+graf[k][j] < graf[i][j] || graf[i][j]==0)
graf[i][j]=graf[i][k]+graf[k][j];
}
void afisare()
{
for(int i=1;i<=N;i++)
{
for(int j=1;j<=N;j++)
printf("%d ",graf[i][j]);
printf("\n");
}
}
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
citire();
rf();
afisare();
return 0;
}