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#include <fstream>
#define maxn 105
#define inf 1<<30
using namespace std;
int m[maxn][maxn];
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
void royfloyd(int n) {
for(int k = 0; k < n; k++)
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++) {
if(i == j)
continue;
if(((m[i][j] > m[i][k] + m[k][j]) || m[i][j] == 0) && m[i][k] && m[k][j])
m[i][j] = m[i][k] + m[k][j];
}
}
int main() {
int n;
in>>n;
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++)
in>>m[i][j];
royfloyd(n);
for(int i = 0; i < n; i++) {
for(int j = 0; j < n; j++) {
out<<m[i][j]<<" ";
}
out<<"\n";
}
return 0;
}