結果
問題 | No.982 Add |
ユーザー | hiromi_ayase |
提出日時 | 2020-02-11 14:27:23 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 73 ms / 2,000 ms |
コード長 | 2,957 bytes |
コンパイル時間 | 2,511 ms |
コンパイル使用メモリ | 90,164 KB |
実行使用メモリ | 38,720 KB |
最終ジャッジ日時 | 2024-10-01 07:37:38 |
合計ジャッジ時間 | 4,711 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 66 ms
38,428 KB |
testcase_01 | AC | 64 ms
38,336 KB |
testcase_02 | AC | 64 ms
38,492 KB |
testcase_03 | AC | 63 ms
38,428 KB |
testcase_04 | AC | 64 ms
38,256 KB |
testcase_05 | AC | 71 ms
38,156 KB |
testcase_06 | AC | 70 ms
38,284 KB |
testcase_07 | AC | 68 ms
38,380 KB |
testcase_08 | AC | 66 ms
38,380 KB |
testcase_09 | AC | 71 ms
38,628 KB |
testcase_10 | AC | 73 ms
38,720 KB |
testcase_11 | AC | 70 ms
38,592 KB |
testcase_12 | AC | 66 ms
38,456 KB |
testcase_13 | AC | 65 ms
38,428 KB |
testcase_14 | AC | 63 ms
38,140 KB |
testcase_15 | AC | 65 ms
38,608 KB |
testcase_16 | AC | 68 ms
38,400 KB |
testcase_17 | AC | 67 ms
38,596 KB |
testcase_18 | AC | 64 ms
38,140 KB |
testcase_19 | AC | 64 ms
38,596 KB |
testcase_20 | AC | 64 ms
38,212 KB |
testcase_21 | AC | 69 ms
38,140 KB |
testcase_22 | AC | 66 ms
38,204 KB |
testcase_23 | AC | 64 ms
38,612 KB |
testcase_24 | AC | 67 ms
38,488 KB |
testcase_25 | AC | 68 ms
38,472 KB |
ソースコード
import java.util.HashSet; import java.util.Set; public class Main { private static void solve() { int a = ni(); int b = ni(); if (gcd(a, b) > 1) { System.out.println(-1); } else { Set<Integer> set = new HashSet<>(); for (int x = 0; x <= b; x++) { for (int y = 0; y <= a; y++) { int z = x * a + y * b; if (z < a * b) set.add(z); } } System.out.println(a * b - set.size()); } } public static int gcd(int a, int b) { while (b > 0) { int c = a; a = b; b = c % b; } return a; } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }