結果
| 問題 | No.740 幻の木 | 
| コンテスト | |
| ユーザー |  tutuz | 
| 提出日時 | 2018-10-06 15:46:40 | 
| 言語 | Java (openjdk 23) | 
| 結果 | 
                                AC
                                 
                             | 
| 実行時間 | 72 ms / 2,000 ms | 
| コード長 | 3,075 bytes | 
| コンパイル時間 | 2,142 ms | 
| コンパイル使用メモリ | 78,272 KB | 
| 実行使用メモリ | 38,148 KB | 
| 最終ジャッジ日時 | 2024-10-12 13:49:52 | 
| 合計ジャッジ時間 | 3,204 ms | 
| ジャッジサーバーID (参考情報) | judge3 / judge4 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 6 | 
ソースコード
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.InputMismatchException;
import java.util.StringTokenizer;
public class Main {
	public static void main(String[] args) throws IOException {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		PrintWriter out = new PrintWriter(outputStream);
		TaskX solver = new TaskX();
		solver.solve(1, in, out);
		out.close();
	}
	static int INF = 1 << 30;
	static long LINF = 1L << 55;
	static int MOD = 1000000007;
	static int[] mh4 = { 0, -1, 1, 0 };
	static int[] mw4 = { -1, 0, 0, 1 };
	static int[] mh8 = { -1, -1, -1, 0, 0, 1, 1, 1 };
	static int[] mw8 = { -1, 0, 1, -1, 1, -1, 0, 1 };
	static class TaskX {
		public void solve(int testNumber, InputReader in, PrintWriter out) {
			int n = in.nextInt(), m = in.nextInt(), p = in.nextInt() % 12, q = in.nextInt();
			int ans = 0;
			int count = 0;
			for (int i = 1; i <= n && count < n; i++) {
				int now = i % 12 == 0 ? 12 : i % 12;
				if (p <= now && now <= p + q - 1) {
					count += m;
				}
				count += m;
				ans++;
			}
			out.println(ans);
		}
	}
	static class InputReader {
		BufferedReader in;
		StringTokenizer tok;
		public String nextString() {
			while (!tok.hasMoreTokens()) {
				try {
					tok = new StringTokenizer(in.readLine(), " ");
				} catch (IOException e) {
					throw new InputMismatchException();
				}
			}
			return tok.nextToken();
		}
		public int nextInt() {
			return Integer.parseInt(nextString());
		}
		public long nextLong() {
			return Long.parseLong(nextString());
		}
		public double nextDouble() {
			return Double.parseDouble(nextString());
		}
		public int[] nextIntArray(int n) {
			int[] res = new int[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextInt();
			}
			return res;
		}
		public int[] nextIntArrayDec(int n) {
			int[] res = new int[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextInt() - 1;
			}
			return res;
		}
		public int[] nextIntArray1Index(int n) {
			int[] res = new int[n + 1];
			for (int i = 0; i < n; i++) {
				res[i + 1] = nextInt();
			}
			return res;
		}
		public long[] nextLongArray(int n) {
			long[] res = new long[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextLong();
			}
			return res;
		}
		public long[] nextLongArrayDec(int n) {
			long[] res = new long[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextLong() - 1;
			}
			return res;
		}
		public long[] nextLongArray1Index(int n) {
			long[] res = new long[n + 1];
			for (int i = 0; i < n; i++) {
				res[i + 1] = nextLong();
			}
			return res;
		}
		public double[] nextDoubleArray(int n) {
			double[] res = new double[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextDouble();
			}
			return res;
		}
		public InputReader(InputStream inputStream) {
			in = new BufferedReader(new InputStreamReader(inputStream));
			tok = new StringTokenizer("");
		}
	}
}
            
            
            
        