結果
問題 | No.461 三角形はいくつ? |
ユーザー | Grenache |
提出日時 | 2016-12-12 15:03:24 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 6,220 bytes |
コンパイル時間 | 4,738 ms |
コンパイル使用メモリ | 79,892 KB |
実行使用メモリ | 85,984 KB |
最終ジャッジ日時 | 2024-11-29 15:59:52 |
合計ジャッジ時間 | 161,357 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 52 ms
78,348 KB |
testcase_01 | AC | 52 ms
80,944 KB |
testcase_02 | AC | 52 ms
80,984 KB |
testcase_03 | AC | 51 ms
80,532 KB |
testcase_04 | WA | - |
testcase_05 | TLE | - |
testcase_06 | TLE | - |
testcase_07 | TLE | - |
testcase_08 | TLE | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | TLE | - |
testcase_12 | WA | - |
testcase_13 | TLE | - |
testcase_14 | TLE | - |
testcase_15 | TLE | - |
testcase_16 | AC | 237 ms
82,112 KB |
testcase_17 | AC | 235 ms
82,528 KB |
testcase_18 | TLE | - |
testcase_19 | TLE | - |
testcase_20 | TLE | - |
testcase_21 | TLE | - |
testcase_22 | TLE | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | AC | 282 ms
41,896 KB |
testcase_26 | AC | 283 ms
41,924 KB |
testcase_27 | AC | 250 ms
43,784 KB |
testcase_28 | AC | 289 ms
41,996 KB |
testcase_29 | WA | - |
testcase_30 | AC | 2,146 ms
44,980 KB |
testcase_31 | TLE | - |
testcase_32 | TLE | - |
testcase_33 | AC | 99 ms
39,048 KB |
testcase_34 | AC | 101 ms
39,092 KB |
testcase_35 | AC | 98 ms
38,980 KB |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | TLE | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | TLE | - |
testcase_43 | TLE | - |
testcase_44 | TLE | - |
ソースコード
import java.io.*; import java.util.*; public class Main_yukicoder461 { private static Scanner sc; private static Printer pr; private static void solve() { int n = sc.nextInt(); List<List<Pair>> ab = new ArrayList<>(); for (int i = 0; i < 3; i++) { ab.add(new ArrayList<>()); } for (int i = 0; i < n; i++) { int p = sc.nextInt(); int a = sc.nextInt(); int b = sc.nextInt(); ab.get(p).add(new Pair(a, b)); } int ret = 0; for (int i = 0; i < 3; i++) { ret += ab.get(i).size() + 1; // pr.printf("%d %d\n", i, ab.get(i).size() + 1); ret += cnt(ab.get(i), 0, ">", ab.get((i - 1 + 3) % 3), 1) + ab.get((i - 1 + 3) % 3).size(); // pr.printf("%d %d\n", i, cnt(ab.get(i), 0, ">", ab.get((i - 1 + 3) % 3), 1) + ab.get((i - 1 + 3) % 3).size()); ret += cnt(ab.get(i), 0, ">", ab.get((i + 1) % 3), 1) + ab.get((i + 1) % 3).size(); // pr.printf("%d %d\n", i, cnt(ab.get(i), 0, ">", ab.get((i + 1) % 3), 1) + ab.get((i + 1) % 3).size()); for (Pair e1 : ab.get((i + 1) % 3)) { for (Pair e2 : ab.get((i + 2) % 3)) { if (e1.b * (e2.a + e2.b) + e2.b * (e1.a + e1.b) > (e1.a + e1.b) * (e2.a + e2.b)) { continue; } ret += cnt2(e1, e2, ab.get(i)); if (e1.b * (e2.a + e2.b) + e2.b * (e1.a + e1.b) < (e1.a + e1.b) * (e2.a + e2.b)) { ret++; } } } } // pr.println(ret); pr.println(ret / 3); } private static int cnt(List<Pair> l1, int ab1, String op, List<Pair> l2, int ab2) { int ret = 0; if (op.equals(">")) { for (Pair e1 : l1) { for (Pair e2 : l2) { // if ((ab1 == 0 ? e1.a : e1.b * (e2.a + e2.b)) > (ab2 == 0 ? e2.a : e2.b * (e1.a + e1.b))) { if (e1.compareTob(e2) > 0) { ret++; } } } } return ret; } private static int cnt2(Pair e1, Pair e2, List<Pair> l) { int ret = 0; Pair max; if (e1.b * (e2.a + e2.b) > e2.b * (e1.a + e1.b)) { max = e1; } else { max = e2; } long e12a = e1.b * (e2.a + e2.b) + e2.b * (e1.a + e1.b); long e12ab = (e1.a + e1.b) * (e2.a + e2.b); for (Pair e : l) { if (e12a * (e.a + e.b) < e.a * e12ab || max.b * (e.a + e.b) >= e.a * (max.a + max.b)) { ret++; } } return ret; } private static class Pair implements Comparable<Pair> { long a; long b; Pair(int a, int b) { this.a = a; this.b = b; } @Override public int compareTo(Pair o) { return Long.compare(a * (o.a + o.b), o.a * (a + b)); } public int compareTob(Pair o) { return Long.compare(a * (o.a + o.b), o.b * (a + b)); } } // --------------------------------------------------- public static void main(String[] args) { sc = new Scanner(System.in); pr = new Printer(System.out); solve(); pr.close(); sc.close(); } @SuppressWarnings("unused") private static class Scanner { BufferedReader br; Scanner (InputStream in) { br = new BufferedReader(new InputStreamReader(in)); } private boolean isPrintable(int ch) { return ch >= '!' && ch <= '~'; } private boolean isCRLF(int ch) { return ch == '\n' || ch == '\r' || ch == -1; } private int nextPrintable() { try { int ch; while (!isPrintable(ch = br.read())) { if (ch == -1) { throw new NoSuchElementException(); } } return ch; } catch (IOException e) { throw new NoSuchElementException(); } } String next() { try { int ch = nextPrintable(); StringBuilder sb = new StringBuilder(); do { sb.appendCodePoint(ch); } while (isPrintable(ch = br.read())); return sb.toString(); } catch (IOException e) { throw new NoSuchElementException(); } } int nextInt() { try { // parseInt from Integer.parseInt() boolean negative = false; int res = 0; int limit = -Integer.MAX_VALUE; int radix = 10; int fc = nextPrintable(); if (fc < '0') { if (fc == '-') { negative = true; limit = Integer.MIN_VALUE; } else if (fc != '+') { throw new NumberFormatException(); } fc = br.read(); } int multmin = limit / radix; int ch = fc; do { int digit = ch - '0'; if (digit < 0 || digit >= radix) { throw new NumberFormatException(); } if (res < multmin) { throw new NumberFormatException(); } res *= radix; if (res < limit + digit) { throw new NumberFormatException(); } res -= digit; } while (isPrintable(ch = br.read())); return negative ? res : -res; } catch (IOException e) { throw new NoSuchElementException(); } } long nextLong() { try { // parseLong from Long.parseLong() boolean negative = false; long res = 0; long limit = -Long.MAX_VALUE; int radix = 10; int fc = nextPrintable(); if (fc < '0') { if (fc == '-') { negative = true; limit = Long.MIN_VALUE; } else if (fc != '+') { throw new NumberFormatException(); } fc = br.read(); } long multmin = limit / radix; int ch = fc; do { int digit = ch - '0'; if (digit < 0 || digit >= radix) { throw new NumberFormatException(); } if (res < multmin) { throw new NumberFormatException(); } res *= radix; if (res < limit + digit) { throw new NumberFormatException(); } res -= digit; } while (isPrintable(ch = br.read())); return negative ? res : -res; } catch (IOException e) { throw new NoSuchElementException(); } } float nextFloat() { return Float.parseFloat(next()); } double nextDouble() { return Double.parseDouble(next()); } String nextLine() { try { int ch; while (isCRLF(ch = br.read())) { if (ch == -1) { throw new NoSuchElementException(); } } StringBuilder sb = new StringBuilder(); do { sb.appendCodePoint(ch); } while (!isCRLF(ch = br.read())); return sb.toString(); } catch (IOException e) { throw new NoSuchElementException(); } } void close() { try { br.close(); } catch (IOException e) { // throw new NoSuchElementException(); } } } private static class Printer extends PrintWriter { Printer(PrintStream out) { super(out); } } }