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#include<bits/stdc++.h>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
#define nrmax 100
int mat[nrmax][nrmax],use[nrmax],init;
int n,m;
void read()
{
in>>n;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
in>>mat[i][j];
}
}
void rw()
{
int i, j, k;
for (k = 1; k <= n; k++)
for (i = 1; i <= n; i++)
for (j = 1; j <= n; j++)
if (mat[i][k] && mat[k][j] && (mat[i][j] > mat[i][k] + mat[k][j] || !mat[i][j]) && i != j) mat[i][j] = mat[i][k] + mat[k][j];
}
int main()
{
read();
rw();
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
out<<mat[i][j]<<" ";
out<<endl;
}
}