結果

問題 No.762 PDCAパス
ユーザー GrenacheGrenache
提出日時 2019-04-28 12:30:31
言語 Java21
(openjdk 21)
結果
AC  
実行時間 319 ms / 2,000 ms
コード長 4,919 bytes
コンパイル時間 7,719 ms
コンパイル使用メモリ 80,028 KB
実行使用メモリ 67,312 KB
最終ジャッジ日時 2024-12-15 22:48:32
合計ジャッジ時間 15,209 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 51 ms
50,484 KB
testcase_01 AC 55 ms
50,540 KB
testcase_02 AC 50 ms
50,496 KB
testcase_03 AC 53 ms
50,328 KB
testcase_04 AC 50 ms
50,404 KB
testcase_05 AC 49 ms
50,340 KB
testcase_06 AC 52 ms
50,540 KB
testcase_07 AC 51 ms
50,252 KB
testcase_08 AC 52 ms
50,424 KB
testcase_09 AC 50 ms
50,456 KB
testcase_10 AC 50 ms
50,484 KB
testcase_11 AC 52 ms
50,608 KB
testcase_12 AC 50 ms
50,568 KB
testcase_13 AC 59 ms
50,148 KB
testcase_14 AC 59 ms
50,540 KB
testcase_15 AC 53 ms
50,116 KB
testcase_16 AC 55 ms
50,468 KB
testcase_17 AC 57 ms
49,948 KB
testcase_18 AC 58 ms
50,396 KB
testcase_19 AC 57 ms
50,484 KB
testcase_20 AC 53 ms
50,556 KB
testcase_21 AC 53 ms
50,020 KB
testcase_22 AC 188 ms
57,800 KB
testcase_23 AC 189 ms
57,864 KB
testcase_24 AC 266 ms
65,392 KB
testcase_25 AC 276 ms
67,312 KB
testcase_26 AC 199 ms
57,716 KB
testcase_27 AC 189 ms
57,852 KB
testcase_28 AC 315 ms
65,428 KB
testcase_29 AC 319 ms
65,328 KB
testcase_30 AC 317 ms
63,828 KB
testcase_31 AC 312 ms
63,876 KB
testcase_32 AC 318 ms
63,788 KB
testcase_33 AC 286 ms
65,012 KB
testcase_34 AC 275 ms
63,068 KB
testcase_35 AC 276 ms
65,352 KB
testcase_36 AC 246 ms
59,696 KB
testcase_37 AC 251 ms
59,180 KB
testcase_38 AC 244 ms
58,864 KB
testcase_39 AC 255 ms
59,064 KB
testcase_40 AC 231 ms
58,756 KB
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ソースコード

diff # 

import java.io.*;
import java.util.*;


public class Main_yukicoder762 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		final int MOD = 1_000_000_007;

		int n = sc.nextInt();
		int m = sc.nextInt();
		char[] s = sc.next().toCharArray();

		List<List<Integer>> edges = new ArrayList<>(n);
		for (int i = 0; i < n; i++) {
			edges.add(new ArrayList<>());
		}
		for (int i = 0; i < m; i++) {
			int u = sc.nextInt() - 1;
			int v = sc.nextInt() - 1;
			edges.get(u).add(v);
			edges.get(v).add(u);
		}

		int[] cnt = new int[n];
		for (int i = 0; i < n; i++) {
			if (s[i] == 'A') {
				cnt[i] = 1;
			}
		}
		for (int i = 0; i < n; i++) {
			if (s[i] == 'C') {
				for (int e : edges.get(i)) {
					if (s[e] == 'A') {
						cnt[i] += cnt[e];
						cnt[i] %= MOD;
					}
				}
			}
		}
		for (int i = 0; i < n; i++) {
			if (s[i] == 'D') {
				for (int e : edges.get(i)) {
					if (s[e] == 'C') {
						cnt[i] += cnt[e];
						cnt[i] %= MOD;
					}
				}
			}
		}

		int ans = 0;
		for (int i = 0; i < n; i++) {
			if (s[i] == 'P') {
				for (int e : edges.get(i)) {
					if (s[e] == 'D') {
						cnt[i] += cnt[e];
						cnt[i] %= MOD;
					}
				}
				ans += cnt[i];
				ans %= MOD;
			}
		}

		pr.println(ans);
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);
			
		solve();
			
		pr.close();
		sc.close();
	}

	static class Scanner {
		BufferedReader br;

		Scanner (InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
		}

		private boolean isPrintable(int ch) {
			return ch >= '!' && ch <= '~';
		}

		private boolean isCRLF(int ch) {
			return ch == '\n' || ch == '\r' || ch == -1;
		}

		private int nextPrintable() {
			try {
				int ch;
				while (!isPrintable(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}

				return ch;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		String next() {
			try {
				int ch = nextPrintable();
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (isPrintable(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		int nextInt() {
			try {
				// parseInt from Integer.parseInt()
				boolean negative = false;
				int res = 0;
				int limit = -Integer.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Integer.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				int multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		long nextLong() {
			try {
				// parseLong from Long.parseLong()
				boolean negative = false;
				long res = 0;
				long limit = -Long.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Long.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				long multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		float nextFloat() {
			return Float.parseFloat(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			try {
				int ch;
				while (isCRLF(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (!isCRLF(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		void close() {
			try {
				br.close();
			} catch (IOException e) {
//				throw new NoSuchElementException();
			}
		}
	}

	static class Printer extends PrintWriter {
		Printer(OutputStream out) {
			super(out);
		}
	}
}
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