Submission #188388


Source Code Expand

import java.math.BigDecimal;
import java.math.MathContext;
import java.util.Scanner;

public class Main {
  public static void main(String[] args) throws Exception {
    Scanner cin = new Scanner(System.in);

    BigDecimal[] factorial = new BigDecimal[1024];
    factorial[0] = BigDecimal.ONE;
    for (int i = 1; i < 1024; ++i) {
      factorial[i] = factorial[i - 1].multiply(BigDecimal.valueOf(i), MathContext.DECIMAL128);
    }

    int N, D, X, Y;
    N = cin.nextInt();
    D = cin.nextInt();
    X = cin.nextInt();
    Y = cin.nextInt();
    if (X % D != 0 || Y % D != 0) {
      System.out.println(0);
      return;
    }

    X /= D;
    Y /= D;

    BigDecimal answer = BigDecimal.ONE;
    for (int right = 0; right <= N; ++right) {
      for (int up = 0; up <= N; ++up) {
        int left = right - X;
        int down = up - Y;
        if (right + up + left + down != N || left < 0 || down < 0) {
          continue;
        }

        answer = answer.add(
            factorial[N].divide(factorial[up], MathContext.DECIMAL128)
                .divide(factorial[right], MathContext.DECIMAL128)
                .divide(factorial[down], MathContext.DECIMAL128)
                .divide(factorial[left], MathContext.DECIMAL128), MathContext.DECIMAL128);
      }
    }

    System.out.println(answer.divide(BigDecimal.valueOf(4).pow(N, MathContext.DECIMAL128),
        MathContext.DECIMAL128));
  }
}

Submission Info

Submission Time
Task D - 大ジャンプ
User nodchip
Language Java (OpenJDK 1.7.0)
Score 0
Code Size 1457 Byte
Status WA
Exec Time 590 ms
Memory 29040 KB

Judge Result

Set Name part1 part2 All
Score / Max Score 0 / 90 0 / 10 0 / 1
Status
AC × 5
WA × 18
AC × 17
WA × 19
AC × 49
WA × 19
Set Name Test Cases
part1 test_1_151403858_0_0AB.txt, test_1_1_0_1AB.txt, test_1_1_2_0AB.txt, test_1_200416616_-430405070_-79858930AB.txt, test_1_320861287_0_0AB.txt, test_1_445441131_0_0AB.txt, test_2_91743015_0_183486030AB.txt, test_3_165357536_496072608_0AB.txt, test_3_357154050_-106436394_768502001AB.txt, test_3_721501125_-568833455_353553641AB.txt, test_3_893846474_0_0AB.txt, test_4_291388018_-291388018_0AB.txt, test_5_318547875_955643625_-637095750AB.txt, test_5_704387671_-704387671_0AB.txt, test_5_82323965_639854915_-688317394AB.txt, test_6_187422602_374845204_-374845204AB.txt, test_6_346164451_0_0AB.txt, test_6_99058019_194123640_-837769837AB.txt, test_7_166330212_166330212_-332660424AB.txt, test_7_89698746_448493730_-179397492AB.txt, test_8_10000000_-40000000_-40000000AB.txt, test_8_10000000_0_80000000AB.txt, test_8_10000000_80000000_0AB.txt
part2 test_10_227248639_454497278_0B.txt, test_11_692637325_-181424149_-938839075B.txt, test_13_260236679_-780710037_-520473358B.txt, test_13_269280357_807841071_269280357B.txt, test_13_96859935_0_-581159610B.txt, test_16_40374395_-40374395_-565241530B.txt, test_1_151403858_0_0AB.txt, test_1_1_0_1AB.txt, test_1_1_2_0AB.txt, test_1_200416616_-430405070_-79858930AB.txt, test_1_320861287_0_0AB.txt, test_1_445441131_0_0AB.txt, test_21_304856339_609712678_914569017B.txt, test_26_214390232_-857560928_428780464B.txt, test_2_91743015_0_183486030AB.txt, test_30_10000000_-300000000_0B.txt, test_30_10000000_0_300000000B.txt, test_30_10000000_150000000_-150000000B.txt, test_30_54228128_0_813421920B.txt, test_3_165357536_496072608_0AB.txt, test_3_357154050_-106436394_768502001AB.txt, test_3_721501125_-568833455_353553641AB.txt, test_3_893846474_0_0AB.txt, test_4_291388018_-291388018_0AB.txt, test_5_318547875_955643625_-637095750AB.txt, test_5_704387671_-704387671_0AB.txt, test_5_82323965_639854915_-688317394AB.txt, test_6_187422602_374845204_-374845204AB.txt, test_6_346164451_0_0AB.txt, test_6_99058019_194123640_-837769837AB.txt, test_7_166330212_166330212_-332660424AB.txt, test_7_89698746_448493730_-179397492AB.txt, test_8_10000000_-40000000_-40000000AB.txt, test_8_10000000_0_80000000AB.txt, test_8_10000000_80000000_0AB.txt, test_9_283198156_849594468_849594468B.txt
All test_1000_1000000_-500000000_500000000.txt, test_1000_1000000_0_-1000000000.txt, test_1000_1000000_1000000000_0.txt, test_1000_150305_97998860_-32315575.txt, test_1000_1_0_0.txt, test_1000_1_2_0.txt, test_1000_1_2_2.txt, test_1000_3308678_-800700076_-350719868.txt, test_1000_3608549_811923525_689232859.txt, test_1000_3728577_-145414503_-969430020.txt, test_1000_537976_11297496_224335992.txt, test_10_227248639_454497278_0B.txt, test_11_692637325_-181424149_-938839075B.txt, test_130_95365311_-667557177_-286095933.txt, test_131_18204705_-145637640_0.txt, test_13_260236679_-780710037_-520473358B.txt, test_13_269280357_807841071_269280357B.txt, test_13_96859935_0_-581159610B.txt, test_16_40374395_-40374395_-565241530B.txt, test_1_151403858_0_0AB.txt, test_1_1_0_1AB.txt, test_1_1_2_0AB.txt, test_1_200416616_-430405070_-79858930AB.txt, test_1_320861287_0_0AB.txt, test_1_445441131_0_0AB.txt, test_210_28974130_0_260767170.txt, test_217_321156_24407856_22480920.txt, test_21_304856339_609712678_914569017B.txt, test_26_214390232_-857560928_428780464B.txt, test_289_421462830_-487186374_-417635361.txt, test_2_91743015_0_183486030AB.txt, test_30_10000000_-300000000_0B.txt, test_30_10000000_0_300000000B.txt, test_30_10000000_150000000_-150000000B.txt, test_30_54228128_0_813421920B.txt, test_339_4475128_957677392_281933064.txt, test_3_165357536_496072608_0AB.txt, test_3_357154050_-106436394_768502001AB.txt, test_3_721501125_-568833455_353553641AB.txt, test_3_893846474_0_0AB.txt, test_480_402960_-131767920_-34654560.txt, test_4_291388018_-291388018_0AB.txt, test_507_3516183_-879045750_-253165176.txt, test_515_8606048_-25818144_8606048.txt, test_522_2286376_-230923976_-18291008.txt, test_5_318547875_955643625_-637095750AB.txt, test_5_704387671_-704387671_0AB.txt, test_5_82323965_639854915_-688317394AB.txt, test_676_198114948_0_792459792.txt, test_688_151937211_-286341114_10198771.txt, test_6_187422602_374845204_-374845204AB.txt, test_6_346164451_0_0AB.txt, test_6_99058019_194123640_-837769837AB.txt, test_71_367604060_367604060_0.txt, test_752_120973200_0_-725839200.txt, test_772_881340073_0_0.txt, test_777_125719576_-499451637_822057459.txt, test_7_166330212_166330212_-332660424AB.txt, test_7_89698746_448493730_-179397492AB.txt, test_839_166155061_0_-332310122.txt, test_839_923157_923157_564972084.txt, test_849_415705_290993500_0.txt, test_873_418406_2928842_322172620.txt, test_8_10000000_-40000000_-40000000AB.txt, test_8_10000000_0_80000000AB.txt, test_8_10000000_80000000_0AB.txt, test_981_159373724_-637494896_-159373724.txt, test_9_283198156_849594468_849594468B.txt
Case Name Status Exec Time Memory
sample_01.txt WA 475 ms 24248 KB
sample_02.txt AC 490 ms 24100 KB
sample_03.txt AC 484 ms 24236 KB
test_1000_1000000_-500000000_500000000.txt AC 498 ms 24496 KB
test_1000_1000000_0_-1000000000.txt AC 496 ms 24628 KB
test_1000_1000000_1000000000_0.txt AC 495 ms 24496 KB
test_1000_150305_97998860_-32315575.txt AC 498 ms 24500 KB
test_1000_1_0_0.txt AC 590 ms 29040 KB
test_1000_1_2_0.txt AC 584 ms 27768 KB
test_1000_1_2_2.txt AC 578 ms 27300 KB
test_1000_3308678_-800700076_-350719868.txt AC 540 ms 25780 KB
test_1000_3608549_811923525_689232859.txt AC 537 ms 25908 KB
test_1000_3728577_-145414503_-969430020.txt AC 492 ms 24620 KB
test_1000_537976_11297496_224335992.txt AC 533 ms 25900 KB
test_10_227248639_454497278_0B.txt AC 483 ms 24364 KB
test_11_692637325_-181424149_-938839075B.txt AC 477 ms 24112 KB
test_130_95365311_-667557177_-286095933.txt AC 504 ms 24372 KB
test_131_18204705_-145637640_0.txt AC 480 ms 24236 KB
test_13_260236679_-780710037_-520473358B.txt AC 484 ms 24376 KB
test_13_269280357_807841071_269280357B.txt AC 473 ms 24100 KB
test_13_96859935_0_-581159610B.txt AC 481 ms 24116 KB
test_16_40374395_-40374395_-565241530B.txt AC 472 ms 24080 KB
test_1_151403858_0_0AB.txt WA 479 ms 24108 KB
test_1_1_0_1AB.txt WA 512 ms 24116 KB
test_1_1_2_0AB.txt WA 479 ms 24240 KB
test_1_200416616_-430405070_-79858930AB.txt AC 480 ms 24112 KB
test_1_320861287_0_0AB.txt WA 485 ms 24108 KB
test_1_445441131_0_0AB.txt WA 479 ms 24124 KB
test_210_28974130_0_260767170.txt AC 491 ms 24368 KB
test_217_321156_24407856_22480920.txt AC 492 ms 24376 KB
test_21_304856339_609712678_914569017B.txt AC 489 ms 24364 KB
test_26_214390232_-857560928_428780464B.txt AC 488 ms 24372 KB
test_289_421462830_-487186374_-417635361.txt AC 485 ms 24116 KB
test_2_91743015_0_183486030AB.txt WA 492 ms 24116 KB
test_30_10000000_-300000000_0B.txt AC 479 ms 24120 KB
test_30_10000000_0_300000000B.txt AC 478 ms 24240 KB
test_30_10000000_150000000_-150000000B.txt AC 480 ms 24116 KB
test_30_54228128_0_813421920B.txt AC 474 ms 24244 KB
test_339_4475128_957677392_281933064.txt AC 488 ms 24496 KB
test_3_165357536_496072608_0AB.txt WA 474 ms 24244 KB
test_3_357154050_-106436394_768502001AB.txt AC 486 ms 24240 KB
test_3_721501125_-568833455_353553641AB.txt AC 483 ms 24240 KB
test_3_893846474_0_0AB.txt WA 476 ms 24116 KB
test_480_402960_-131767920_-34654560.txt AC 478 ms 24492 KB
test_4_291388018_-291388018_0AB.txt WA 479 ms 24112 KB
test_507_3516183_-879045750_-253165176.txt AC 489 ms 24496 KB
test_515_8606048_-25818144_8606048.txt AC 486 ms 24500 KB
test_522_2286376_-230923976_-18291008.txt AC 486 ms 24496 KB
test_5_318547875_955643625_-637095750AB.txt WA 490 ms 24116 KB
test_5_704387671_-704387671_0AB.txt WA 490 ms 24232 KB
test_5_82323965_639854915_-688317394AB.txt AC 481 ms 24108 KB
test_676_198114948_0_792459792.txt AC 556 ms 26156 KB
test_688_151937211_-286341114_10198771.txt AC 497 ms 24244 KB
test_6_187422602_374845204_-374845204AB.txt WA 474 ms 24232 KB
test_6_346164451_0_0AB.txt WA 479 ms 24232 KB
test_6_99058019_194123640_-837769837AB.txt AC 474 ms 24244 KB
test_71_367604060_367604060_0.txt AC 484 ms 24244 KB
test_752_120973200_0_-725839200.txt AC 555 ms 26364 KB
test_772_881340073_0_0.txt AC 568 ms 26640 KB
test_777_125719576_-499451637_822057459.txt AC 477 ms 24208 KB
test_7_166330212_166330212_-332660424AB.txt WA 486 ms 24244 KB
test_7_89698746_448493730_-179397492AB.txt WA 485 ms 24108 KB
test_839_166155061_0_-332310122.txt AC 560 ms 24500 KB
test_839_923157_923157_564972084.txt AC 531 ms 24876 KB
test_849_415705_290993500_0.txt AC 501 ms 24492 KB
test_873_418406_2928842_322172620.txt AC 495 ms 24616 KB
test_8_10000000_-40000000_-40000000AB.txt WA 483 ms 24112 KB
test_8_10000000_0_80000000AB.txt WA 477 ms 24108 KB
test_8_10000000_80000000_0AB.txt WA 475 ms 24112 KB
test_981_159373724_-637494896_-159373724.txt AC 578 ms 27328 KB
test_9_283198156_849594468_849594468B.txt WA 497 ms 24104 KB