結果
問題 | No.762 PDCAパス |
ユーザー | 37zigen |
提出日時 | 2020-03-20 03:07:23 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 328 ms / 2,000 ms |
コード長 | 2,915 bytes |
コンパイル時間 | 2,689 ms |
コンパイル使用メモリ | 75,304 KB |
実行使用メモリ | 68,964 KB |
最終ジャッジ日時 | 2023-08-20 21:23:35 |
合計ジャッジ時間 | 10,168 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge15 |
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 | 42 ms
49,180 KB |
testcase_01 | AC | 43 ms
49,184 KB |
testcase_02 | AC | 43 ms
49,200 KB |
testcase_03 | AC | 42 ms
49,072 KB |
testcase_04 | AC | 43 ms
49,304 KB |
testcase_05 | AC | 42 ms
49,352 KB |
testcase_06 | AC | 43 ms
49,124 KB |
testcase_07 | AC | 43 ms
49,252 KB |
testcase_08 | AC | 43 ms
49,076 KB |
testcase_09 | AC | 43 ms
49,220 KB |
testcase_10 | AC | 43 ms
49,072 KB |
testcase_11 | AC | 42 ms
49,412 KB |
testcase_12 | AC | 43 ms
49,608 KB |
testcase_13 | AC | 44 ms
49,216 KB |
testcase_14 | AC | 44 ms
49,452 KB |
testcase_15 | AC | 43 ms
49,552 KB |
testcase_16 | AC | 42 ms
49,300 KB |
testcase_17 | AC | 43 ms
49,184 KB |
testcase_18 | AC | 42 ms
49,308 KB |
testcase_19 | AC | 43 ms
49,308 KB |
testcase_20 | AC | 43 ms
49,680 KB |
testcase_21 | AC | 42 ms
49,208 KB |
testcase_22 | AC | 132 ms
55,168 KB |
testcase_23 | AC | 134 ms
55,280 KB |
testcase_24 | AC | 291 ms
68,808 KB |
testcase_25 | AC | 290 ms
68,724 KB |
testcase_26 | AC | 143 ms
57,796 KB |
testcase_27 | AC | 134 ms
57,380 KB |
testcase_28 | AC | 324 ms
68,760 KB |
testcase_29 | AC | 328 ms
68,964 KB |
testcase_30 | AC | 292 ms
67,376 KB |
testcase_31 | AC | 267 ms
67,476 KB |
testcase_32 | AC | 270 ms
67,284 KB |
testcase_33 | AC | 239 ms
63,980 KB |
testcase_34 | AC | 232 ms
64,136 KB |
testcase_35 | AC | 240 ms
63,912 KB |
testcase_36 | AC | 180 ms
58,136 KB |
testcase_37 | AC | 184 ms
57,836 KB |
testcase_38 | AC | 183 ms
58,364 KB |
testcase_39 | AC | 194 ms
58,764 KB |
testcase_40 | AC | 192 ms
58,512 KB |
ソースコード
import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.Arrays; import java.util.NoSuchElementException; public class Main { public static void main(String[] args) throws FileNotFoundException { long t = System.currentTimeMillis(); new Main().run(); System.err.println(System.currentTimeMillis() - t); } final long MOD=(long)1e9+7; void run() { Scanner sc = new Scanner(); int N=sc.nextInt(); int M=sc.nextInt(); char[] cs=sc.next().toCharArray(); ArrayList<Integer>[] g=new ArrayList[N]; for(int i=0;i<N;++i)g[i]=new ArrayList<>(); for(int i=0;i<M;++i) { int u=sc.nextInt(); int v=sc.nextInt(); --u;--v; g[u].add(v); g[v].add(u); } long[] dp=new long[N]; char[] pdca= "PDCA".toCharArray(); for(int i=0;i<N;++i)if(cs[i]=='P')++dp[i]; for(int i=1;i<pdca.length;++i) { long[] ndp=new long[N]; for(int j=0;j<N;++j) { if(cs[j]!=pdca[i])continue; for(int v:g[j]) { ndp[j]+=dp[v]; ndp[j]%=MOD; } } dp=ndp; } long ans=0; for(long v:dp)ans=(ans+v)%MOD; System.out.println(ans); } class Scanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; } else { ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1; } private boolean isPrintableChar(int c) { return 33 <= c && c <= 126; } private void skipUnprintable() { while (hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; } public boolean hasNext() { skipUnprintable(); return hasNextByte(); } public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while (isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while (true) { if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; } else if (b == -1 || !isPrintableChar(b)) { return minus ? -n : n; } else { throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { return (int) nextLong(); } } static void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } }