結果
問題 | No.989 N×Mマス計算(K以上) |
ユーザー | 37zigen |
提出日時 | 2020-02-14 22:01:29 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 190 ms / 2,000 ms |
コード長 | 3,067 bytes |
コンパイル時間 | 2,806 ms |
コンパイル使用メモリ | 77,812 KB |
実行使用メモリ | 41,276 KB |
最終ジャッジ日時 | 2024-10-06 11:49:02 |
合計ジャッジ時間 | 4,702 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 50 ms
36,404 KB |
testcase_01 | AC | 51 ms
36,500 KB |
testcase_02 | AC | 51 ms
36,456 KB |
testcase_03 | AC | 50 ms
36,600 KB |
testcase_04 | AC | 50 ms
36,200 KB |
testcase_05 | AC | 48 ms
36,536 KB |
testcase_06 | AC | 50 ms
36,664 KB |
testcase_07 | AC | 50 ms
36,272 KB |
testcase_08 | AC | 48 ms
36,844 KB |
testcase_09 | AC | 49 ms
36,440 KB |
testcase_10 | AC | 184 ms
40,888 KB |
testcase_11 | AC | 137 ms
39,668 KB |
testcase_12 | AC | 190 ms
41,056 KB |
testcase_13 | AC | 110 ms
39,484 KB |
testcase_14 | AC | 182 ms
41,276 KB |
testcase_15 | AC | 102 ms
39,624 KB |
testcase_16 | AC | 141 ms
40,372 KB |
testcase_17 | AC | 112 ms
39,204 KB |
testcase_18 | AC | 134 ms
39,864 KB |
testcase_19 | AC | 145 ms
40,068 KB |
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) throws Exception { new Main().run(); } void run() { Scanner sc=new Scanner(); int N=sc.nextInt(); int M=sc.nextInt(); long K=sc.nextLong(); char op=sc.next().toCharArray()[0]; long[] A=new long[N]; long[] B=new long[M]; for(int i=0;i<M;++i)B[i]=sc.nextLong(); for(int i=0;i<N;++i)A[i]=sc.nextLong(); Arrays.sort(A); Arrays.sort(B); long ans=0; for(int i=0;i<A.length;++i) { int idx=binarySearch(B, op=='*'?(K+A[i]-1)/A[i]:(K-A[i])); ans+=B.length-idx; } System.out.println(ans); } int binarySearch(long[] a,long key) { int ok=a.length; int ng=-1; while(ok-ng>1) { int middle=(ok+ng)/2; if(a[middle]>=key)ok=middle; else ng=middle; } return ok; } static void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } } 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 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());} }