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#include <bits/stdc++.h>
#define MAX_N 101
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
array<array<int,MAX_N>,MAX_N> MAT;
int main() {
fin >> n;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n; j++) {
fin >> MAT[i][j];
}
}
for (int k = 1; k <= n; k++) {
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n; j++) {
if (i != j && MAT[i][k] && MAT[k][j]) {
if (!MAT[i][j] || MAT[i][j] > MAT[i][k] + MAT[k][j]) {
MAT[i][j] = MAT[i][k] + MAT[k][j];
}
}
}
}
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n; j++) {
fout << MAT[i][j] << ' ';
}
fout << '\n';
}
return 0;
}