diff --git "a/Ukj0ng/202601/16 BOJ G5 \353\254\264\355\225\234 \354\210\230\354\227\264.md" "b/Ukj0ng/202601/16 BOJ G5 \353\254\264\355\225\234 \354\210\230\354\227\264.md" new file mode 100644 index 00000000..9682673f --- /dev/null +++ "b/Ukj0ng/202601/16 BOJ G5 \353\254\264\355\225\234 \354\210\230\354\227\264.md" @@ -0,0 +1,40 @@ +``` +import java.io.*; +import java.util.*; + +public class Main { + private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + private static final BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); + private static Map map; + private static int P, Q; + private static long N; + + public static void main(String[] args) throws IOException { + init(); + + long answer = backTracking(N); + bw.write(answer + "\n"); + bw.flush(); + bw.close(); + br.close(); + } + + private static void init() throws IOException { + StringTokenizer st = new StringTokenizer(br.readLine()); + N = Long.parseLong(st.nextToken()); + P = Integer.parseInt(st.nextToken()); + Q = Integer.parseInt(st.nextToken()); + + map = new HashMap<>(); + } + + private static long backTracking(long n) { + if (n == 0) return 1; + if (map.containsKey(n)) return map.get(n); + + long temp = backTracking(n/P) + backTracking(n/Q); + map.put(n, temp); + return temp; + } +} +```