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#include <iostream>
#include <cstdio>
#include <vector>
using namespace std;
int a[110][110];
int n;
void citire()
{
freopen("royfloyd.in","r",stdin);
scanf("%d\n",&n);
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
scanf("%d ",&a[i][j]);
}
void rez()
{
for(int k=0;k<n;k++)
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
if(a[i][k] && a[k][j] && i!=j && (a[i][j]>a[i][k]+a[k][j] || !a[i][j]))
a[i][j]=a[i][k]+a[k][j];
}
void afisare()
{
freopen("royfloyd.out","w",stdout);
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
printf("%d ",a[i][j]);
printf("\n");
}
}
int main()
{
citire();
rez();
afisare();
return 0;
}