Submission #8802845

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

const ll INF = 1LL<<60;

int main() {
    int n;
    cin >> n;

    vector<ll> dp(n + 1, INF);
    dp[0] = 0;

    for(int i = 1; i <= n; i++) {
        int power = 1;
        while(power <= i) {
            chmin(dp[i], dp[i - power] + 1);
            power *= 6;
        }
        power = 1;
        while(power <= i) {
            chmin(dp[i], dp[i - power] + 1);
            power *= 9;
        }
    }

    cout << dp[n] << endl;
    
    return 0;
}

Submission Info

Judge Result