#include <bits/stdc++.h> #include <math.h> using namespace std; int main() { int n; while (cin >> n) { if (n == 0) { cout << 1 << endl; continue; } int one = n; for (int i = 0; i < n-1; ++i) { one *= n; one %= 10; } cout << one << endl; } return 0; } |
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