結果
問題 | No.990 N×Mマス計算(Kの倍数) |
ユーザー | Tatsuyaaaa |
提出日時 | 2020-02-14 23:13:37 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,086 bytes |
コンパイル時間 | 2,999 ms |
コンパイル使用メモリ | 80,084 KB |
実行使用メモリ | 66,832 KB |
最終ジャッジ日時 | 2024-11-16 01:29:18 |
合計ジャッジ時間 | 9,465 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
(要ログイン)
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 | 54 ms
50,208 KB |
testcase_01 | AC | 54 ms
50,396 KB |
testcase_02 | AC | 56 ms
49,876 KB |
testcase_03 | AC | 56 ms
50,164 KB |
testcase_04 | AC | 55 ms
50,380 KB |
testcase_05 | AC | 56 ms
50,184 KB |
testcase_06 | AC | 55 ms
49,996 KB |
testcase_07 | AC | 57 ms
50,100 KB |
testcase_08 | AC | 56 ms
50,368 KB |
testcase_09 | AC | 57 ms
50,240 KB |
testcase_10 | AC | 361 ms
60,480 KB |
testcase_11 | AC | 328 ms
60,456 KB |
testcase_12 | AC | 730 ms
66,268 KB |
testcase_13 | AC | 288 ms
58,192 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 387 ms
60,460 KB |
testcase_17 | WA | - |
testcase_18 | AC | 751 ms
66,336 KB |
testcase_19 | AC | 459 ms
61,784 KB |
testcase_20 | AC | 619 ms
66,832 KB |
ソースコード
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; import java.util.*; public class Main { static List<Integer> divisor(int n) { List<Integer> list = new ArrayList<Integer>(); for (int i=1;i<=Math.sqrt(n);i++) { if (n%i==0) { list.add(i); if (i*i!=n) { list.add(n/i); } } } Collections.sort(list); return list; } static long gcd(long a,long b) { long temp; while ((temp=a%b)!=0) { a=b; b=temp; } return b; } public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWriter(outputStream); int N = in.nextInt(); int M = in.nextInt(); int K = in.nextInt(); char op = in.next().charAt(0); long[] B = new long[M]; long[] A = new long[N]; // long B_sum = 0L; // long A_sum = 0L; HashMap<Integer, Integer> map = new HashMap<Integer, Integer>(); HashMap<Integer, Integer> mul_map = new HashMap<Integer, Integer>(); for (int i=0;i<M;i++) { B[i] = in.nextLong(); int remainder = (int)B[i]%K; if (!map.containsKey(remainder)) { map.put(remainder, 1); } else { map.put(remainder, map.get(remainder)+1); } int val = K/(int)gcd(K, B[i]); if (!mul_map.containsKey(val)) { mul_map.put(val, 1); } else { mul_map.put(val, mul_map.get(val)+1); } // B_sum += B[i]; } long ans_plus = 0L; long ans_mul = 0L; ArrayList<Integer> keys = new ArrayList<Integer>(mul_map.keySet()); ArrayList<Integer> vals = new ArrayList<Integer>(mul_map.values()); ArrayList<Integer> diviser = new ArrayList<Integer>(divisor(K)); // out.println(diviser); HashMap<Integer, Integer> map_map = new HashMap<Integer, Integer>(); for (int i=0;i<diviser.size();i++) { for (int j=0;j<keys.size();j++) { if (diviser.get(i)%keys.get(j)==0) { if (!map_map.containsKey(diviser.get(i))) { map_map.put(diviser.get(i), vals.get(j)); } else { map_map.put(diviser.get(i), map_map.get(diviser.get(i))+vals.get(j)); } } } } // out.println(map_map); for (int i=0;i<N;i++) { A[i] = in.nextLong(); // A_sum += A[i]; int val = K-(int)A[i]%K; if (map.containsKey(val)) { ans_plus += map.get(val); } if (A[i]%K==0) ans_mul+=M; else { // int mul_tmp = 0; // for (int j=0;j<keys.size();j++) { // if (A[i]%keys.get(j)==0) mul_tmp+=vals.get(j); // } // ans_mul+=mul_tmp; int val_2 = (int)gcd(K, A[i]); // out.println("val_2: "+val_2); if (map_map.containsKey(val_2)) { ans_mul += map_map.get(val_2); } } } // out.println("K: "+K); // out.println(mul_map); if (op=='+') out.println(ans_plus); if (op=='*') out.println(ans_mul); // out.println(map); // Arrays.sort(B); // long ans = 0L; // for (int i=0;i<N;i++) { // long tmp = 0; // if (op=='+') tmp = K-A[i]; // if (op=='*') tmp = (K+A[i]-1)/A[i]; // // ans += binary_search(tmp, B, op); // int index = ~Arrays.binarySearch(B, tmp, (o1, o2)->o1>=o2?1:-1); // ans += M-index; // } // out.println(ans); out.close(); } static class InputReader { public BufferedReader reader; public StringTokenizer tokenizer; public InputReader(InputStream stream) { reader = new BufferedReader(new InputStreamReader(stream), 32768); tokenizer = null; } public String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } public int nextInt() { return Integer.parseInt(next()); } public long nextLong() { return Long.parseLong(next()); } } }