結果
問題 | No.372 It's automatic |
ユーザー | 37zigen |
提出日時 | 2020-04-03 18:15:14 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,182 bytes |
コンパイル時間 | 2,789 ms |
コンパイル使用メモリ | 87,216 KB |
実行使用メモリ | 57,616 KB |
最終ジャッジ日時 | 2024-07-03 01:07:15 |
合計ジャッジ時間 | 32,819 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 | WA | - |
testcase_01 | AC | 60 ms
50,780 KB |
testcase_02 | AC | 59 ms
50,604 KB |
testcase_03 | AC | 56 ms
50,632 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.Arrays; import java.util.NoSuchElementException; class Main { public static void main(String[] args) { new Main().run(); } final long MOD=(long)1e9+7; int[] toIntArray(char[] cs) { int[] ret=new int[cs.length]; for(int i=0;i<cs.length;++i)ret[i]=(int)(cs[i]-'0'); return ret; } long ADD(long a,long b) { return a+b>=MOD?a+b-MOD:a+b; } void run() { FastScanner sc=new FastScanner(); int[] a=toIntArray(sc.next().toCharArray()); int M=sc.nextInt(); long[][] dp=new long[2][M]; for(int i=0;i<a.length;++i) { for(int cur=0;cur<M;++cur) { int ncur=(cur+a[i])%M; dp[(i+1)%2][ncur]=ADD(dp[(i+1)%2][ncur],dp[i%2][cur]); if(dp[(i+1)%2][ncur]>=MOD)dp[(i+1)%2][ncur]-=MOD; } if(a[i]!=0)dp[(i+1)%2][a[i]%M]=ADD(dp[(i+1)%2][a[i]%M],1); dp[i%2]=Arrays.copyOf(dp[(i+1)%2],M); } if(Arrays.stream(a).filter(v->v==0).count()>0)++dp[0][0]; System.out.println(dp[0][0]%MOD); } static void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } } class FastScanner { 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 static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; 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() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next());} }