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#include <bits/stdc++.h>
using namespace std;
int a[101][101], n;
void citire()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d", &n);
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++)
scanf("%d",&a[i][j]);
}
void afisare()
{
for(int i = 0 ; i < n; i++)
{
for(int j = 0; j < n; j++)
printf("%d ",a[i][j]);
printf("\n");
}
}
void royFloyd()
{
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] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
a[i][j] = a[i][k] + a[k][j];
}
}
int main()
{
citire();
royFloyd();
afisare();
return 0;
}