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18 days ago
532 B
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Never
#include <bits/stdc++.h> using namespace std; string anh4(string s) { if (s.length() <= 4) { return string(4 - s.length(), '0') + s; } else { return s.substr(s.length() - 4); } } int main() { int a1, n; cin >> a1 >> n; string a = to_string(a1); a = anh4(a); for (int i = 1; i < n; ++i) { int num = stoi(a); num *= num; a = to_string(num); a = anh4(a); } cout << a << endl; return 0; }
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