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#include <iostream> #include <vector> using namespace std; typedef long long ll; const ll INF = 1e18; int main() { ll k, x; cin >> k >> x; ll power = 1; ll res = INF; for(int i = 0; i < 100; i++) { ll tmp = power * k; if(tmp <= x) { if(x % tmp == 0) { ll quotient = x / tmp; if(quotient * k * power == x) { res = min(res, i + quotient); } } } else { break; } power *= k; } if(res == INF) { res = -1; } cout << res << endl; return 0; }
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