Submission #189387
Source Code Expand
import java.util.Scanner; public class Main { public static double[][] ptriangle(int n) { if (n == 0) return new double[0][0]; double[][] field = new double[n + 2][n + 1]; int l = n + 1; field[0][0] = 1.0; for (int i = 1; i <= l; i++) { field[i][0] = field[i - 1][0] / 2; for (int j = 1; j < l; j++) { field[i][j] = (field[i - 1][j - 1] + field[i - 1][j]) / 2; } } return field; } static final int limit = 1000; static double[][] pt = ptriangle(limit); public static double pcomb(int n, int r) { return pt[n][r]; } static double solve() throws Exception { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int d = sc.nextInt(); int x = Math.abs(sc.nextInt()); int y = Math.abs(sc.nextInt()); int px = x / d, py = y / d; if (x % d > 0 || y % d > 0) return 0.0; double ans = 0.0; for (int xx = 0; xx <= n; xx++) { int yy = n - xx; if ((xx - px) % 2 > 0 || (yy - py) % 2 > 0) continue; int left = px + (xx - px) / 2, top = py + (yy - py) / 2; ans += pcomb(n, xx) * pcomb(xx, left) * pcomb(yy, top); } return ans; } public static void main(String... args) throws Exception { System.out.println(solve()); } }
Submission Info
Submission Time | |
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Task | D - 大ジャンプ |
User | dolpen |
Language | Java (OpenJDK 1.7.0) |
Score | 101 |
Code Size | 1481 Byte |
Status | AC |
Exec Time | 559 ms |
Memory | 37680 KB |
Judge Result
Set Name | part1 | part2 | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 90 / 90 | 10 / 10 | 1 / 1 | ||||||
Status |
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Set Name | Test Cases |
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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 | AC | 490 ms | 37520 KB |
sample_02.txt | AC | 486 ms | 37548 KB |
sample_03.txt | AC | 489 ms | 37548 KB |
test_1000_1000000_-500000000_500000000.txt | AC | 486 ms | 37552 KB |
test_1000_1000000_0_-1000000000.txt | AC | 488 ms | 37552 KB |
test_1000_1000000_1000000000_0.txt | AC | 487 ms | 37548 KB |
test_1000_150305_97998860_-32315575.txt | AC | 481 ms | 37552 KB |
test_1000_1_0_0.txt | AC | 487 ms | 37680 KB |
test_1000_1_2_0.txt | AC | 483 ms | 37548 KB |
test_1000_1_2_2.txt | AC | 494 ms | 37552 KB |
test_1000_3308678_-800700076_-350719868.txt | AC | 497 ms | 37676 KB |
test_1000_3608549_811923525_689232859.txt | AC | 488 ms | 37672 KB |
test_1000_3728577_-145414503_-969430020.txt | AC | 483 ms | 37520 KB |
test_1000_537976_11297496_224335992.txt | AC | 492 ms | 37680 KB |
test_10_227248639_454497278_0B.txt | AC | 479 ms | 37548 KB |
test_11_692637325_-181424149_-938839075B.txt | AC | 486 ms | 37544 KB |
test_130_95365311_-667557177_-286095933.txt | AC | 488 ms | 37680 KB |
test_131_18204705_-145637640_0.txt | AC | 484 ms | 37552 KB |
test_13_260236679_-780710037_-520473358B.txt | AC | 486 ms | 37552 KB |
test_13_269280357_807841071_269280357B.txt | AC | 479 ms | 37524 KB |
test_13_96859935_0_-581159610B.txt | AC | 490 ms | 37552 KB |
test_16_40374395_-40374395_-565241530B.txt | AC | 482 ms | 37552 KB |
test_1_151403858_0_0AB.txt | AC | 485 ms | 37552 KB |
test_1_1_0_1AB.txt | AC | 488 ms | 37556 KB |
test_1_1_2_0AB.txt | AC | 486 ms | 37672 KB |
test_1_200416616_-430405070_-79858930AB.txt | AC | 504 ms | 37464 KB |
test_1_320861287_0_0AB.txt | AC | 559 ms | 37552 KB |
test_1_445441131_0_0AB.txt | AC | 525 ms | 37548 KB |
test_210_28974130_0_260767170.txt | AC | 497 ms | 37552 KB |
test_217_321156_24407856_22480920.txt | AC | 513 ms | 37680 KB |
test_21_304856339_609712678_914569017B.txt | AC | 491 ms | 37680 KB |
test_26_214390232_-857560928_428780464B.txt | AC | 489 ms | 37680 KB |
test_289_421462830_-487186374_-417635361.txt | AC | 487 ms | 37552 KB |
test_2_91743015_0_183486030AB.txt | AC | 488 ms | 37680 KB |
test_30_10000000_-300000000_0B.txt | AC | 488 ms | 37676 KB |
test_30_10000000_0_300000000B.txt | AC | 491 ms | 37592 KB |
test_30_10000000_150000000_-150000000B.txt | AC | 487 ms | 37672 KB |
test_30_54228128_0_813421920B.txt | AC | 491 ms | 37548 KB |
test_339_4475128_957677392_281933064.txt | AC | 493 ms | 37676 KB |
test_3_165357536_496072608_0AB.txt | AC | 494 ms | 37676 KB |
test_3_357154050_-106436394_768502001AB.txt | AC | 489 ms | 37508 KB |
test_3_721501125_-568833455_353553641AB.txt | AC | 481 ms | 37560 KB |
test_3_893846474_0_0AB.txt | AC | 485 ms | 37552 KB |
test_480_402960_-131767920_-34654560.txt | AC | 489 ms | 37544 KB |
test_4_291388018_-291388018_0AB.txt | AC | 487 ms | 37548 KB |
test_507_3516183_-879045750_-253165176.txt | AC | 477 ms | 37548 KB |
test_515_8606048_-25818144_8606048.txt | AC | 492 ms | 37668 KB |
test_522_2286376_-230923976_-18291008.txt | AC | 481 ms | 37548 KB |
test_5_318547875_955643625_-637095750AB.txt | AC | 497 ms | 37548 KB |
test_5_704387671_-704387671_0AB.txt | AC | 489 ms | 37540 KB |
test_5_82323965_639854915_-688317394AB.txt | AC | 485 ms | 37548 KB |
test_676_198114948_0_792459792.txt | AC | 484 ms | 37676 KB |
test_688_151937211_-286341114_10198771.txt | AC | 484 ms | 37548 KB |
test_6_187422602_374845204_-374845204AB.txt | AC | 486 ms | 37552 KB |
test_6_346164451_0_0AB.txt | AC | 492 ms | 37552 KB |
test_6_99058019_194123640_-837769837AB.txt | AC | 488 ms | 37548 KB |
test_71_367604060_367604060_0.txt | AC | 498 ms | 37660 KB |
test_752_120973200_0_-725839200.txt | AC | 493 ms | 37672 KB |
test_772_881340073_0_0.txt | AC | 497 ms | 37596 KB |
test_777_125719576_-499451637_822057459.txt | AC | 484 ms | 37424 KB |
test_7_166330212_166330212_-332660424AB.txt | AC | 494 ms | 37680 KB |
test_7_89698746_448493730_-179397492AB.txt | AC | 492 ms | 37564 KB |
test_839_166155061_0_-332310122.txt | AC | 477 ms | 37556 KB |
test_839_923157_923157_564972084.txt | AC | 487 ms | 37548 KB |
test_849_415705_290993500_0.txt | AC | 493 ms | 37548 KB |
test_873_418406_2928842_322172620.txt | AC | 492 ms | 37552 KB |
test_8_10000000_-40000000_-40000000AB.txt | AC | 483 ms | 37552 KB |
test_8_10000000_0_80000000AB.txt | AC | 498 ms | 37548 KB |
test_8_10000000_80000000_0AB.txt | AC | 490 ms | 37672 KB |
test_981_159373724_-637494896_-159373724.txt | AC | 487 ms | 37680 KB |
test_9_283198156_849594468_849594468B.txt | AC | 485 ms | 37548 KB |