Submission #188109
Source Code Expand
import java.io.*; import java.math.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception { new Main().solve(); } void solve() throws Exception { FastScanner in = new FastScanner(System.in); int N = in.nextInt(); int D = in.nextInt(); int X = in.nextInt(); int Y = in.nextInt(); int r0 = X / D; int d0 = Y / D; if (r0 * D != X || d0 * D != Y) { System.out.println(0); return; } BigDecimal ret = bd(0); for (int rr = 0; rr <= N; rr++) { int ll = rr - r0; for (int dd = 0; dd <= N; dd++) { int uu = dd - d0; if (rr + ll + uu + dd == N && 0 <= ll && ll <= N && 0 <= uu && uu <= N) { // ok BigDecimal p1 = f(N); BigDecimal p2 = bd(4).pow(N).multiply(f(rr)).multiply(f(ll)).multiply(f(dd)).multiply(f(uu)); BigDecimal p = p1.divide(p2, MathContext.DECIMAL128); ret = ret.add(p); } } } System.out.println(ret.doubleValue()); } BigDecimal bd(double a) { return BigDecimal.valueOf(a); } BigDecimal[] memo = new BigDecimal[2000]; BigDecimal f(int n) { if (memo[n] != null) { return memo[n]; } else { if (n == 0) { return memo[n] = bd(1); } else { return memo[n] = f(n - 1).multiply(bd(n)); } } } class FastScanner { private InputStream _stream; private byte[] _buf = new byte[1024]; private int _curChar; private int _numChars; private StringBuilder _sb = new StringBuilder(); FastScanner(InputStream stream) { this._stream = stream; } public int read() { if (_numChars == -1) throw new InputMismatchException(); if (_curChar >= _numChars) { _curChar = 0; try { _numChars = _stream.read(_buf); } catch (IOException e) { throw new InputMismatchException(); } if (_numChars <= 0) return -1; } return _buf[_curChar++]; } public String next() { int c = read(); while (isWhitespace(c)) { c = read(); } _sb.setLength(0); do { _sb.appendCodePoint(c); c = read(); } while (!isWhitespace(c)); return _sb.toString(); } public int nextInt() { return (int) nextLong(); } public long nextLong() { int c = read(); while (isWhitespace(c)) { c = read(); } int sgn = 1; if (c == '-') { sgn = -1; c = read(); } long res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res *= 10; res += c - '0'; c = read(); } while (!isWhitespace(c)); return res * sgn; } public boolean isWhitespace(int c) { return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1; } } } // // // // // // // // // // // // // // // // // // // // // // // // //
Submission Info
Submission Time | |
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Task | D - 大ジャンプ |
User | ixxa |
Language | Java (OpenJDK 1.7.0) |
Score | 101 |
Code Size | 2852 Byte |
Status | AC |
Exec Time | 1278 ms |
Memory | 45756 KB |
Judge Result
Set Name | part1 | part2 | All | ||||||
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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 | 497 ms | 21220 KB |
sample_02.txt | AC | 375 ms | 20660 KB |
sample_03.txt | AC | 399 ms | 21440 KB |
test_1000_1000000_-500000000_500000000.txt | AC | 490 ms | 28244 KB |
test_1000_1000000_0_-1000000000.txt | AC | 519 ms | 28112 KB |
test_1000_1000000_1000000000_0.txt | AC | 504 ms | 25460 KB |
test_1000_150305_97998860_-32315575.txt | AC | 416 ms | 22084 KB |
test_1000_1_0_0.txt | AC | 1250 ms | 36364 KB |
test_1000_1_2_0.txt | AC | 1278 ms | 45488 KB |
test_1000_1_2_2.txt | AC | 1271 ms | 45248 KB |
test_1000_3308678_-800700076_-350719868.txt | AC | 1006 ms | 45756 KB |
test_1000_3608549_811923525_689232859.txt | AC | 958 ms | 35652 KB |
test_1000_3728577_-145414503_-969430020.txt | AC | 412 ms | 22060 KB |
test_1000_537976_11297496_224335992.txt | AC | 939 ms | 35428 KB |
test_10_227248639_454497278_0B.txt | AC | 393 ms | 21444 KB |
test_11_692637325_-181424149_-938839075B.txt | AC | 372 ms | 20732 KB |
test_130_95365311_-667557177_-286095933.txt | AC | 452 ms | 26988 KB |
test_131_18204705_-145637640_0.txt | AC | 388 ms | 21356 KB |
test_13_260236679_-780710037_-520473358B.txt | AC | 394 ms | 16852 KB |
test_13_269280357_807841071_269280357B.txt | AC | 347 ms | 17736 KB |
test_13_96859935_0_-581159610B.txt | AC | 348 ms | 17648 KB |
test_16_40374395_-40374395_-565241530B.txt | AC | 351 ms | 17772 KB |
test_1_151403858_0_0AB.txt | AC | 340 ms | 17772 KB |
test_1_1_0_1AB.txt | AC | 365 ms | 17880 KB |
test_1_1_2_0AB.txt | AC | 351 ms | 17772 KB |
test_1_200416616_-430405070_-79858930AB.txt | AC | 366 ms | 17476 KB |
test_1_320861287_0_0AB.txt | AC | 360 ms | 17776 KB |
test_1_445441131_0_0AB.txt | AC | 345 ms | 17732 KB |
test_210_28974130_0_260767170.txt | AC | 357 ms | 18076 KB |
test_217_321156_24407856_22480920.txt | AC | 347 ms | 18088 KB |
test_21_304856339_609712678_914569017B.txt | AC | 353 ms | 18032 KB |
test_26_214390232_-857560928_428780464B.txt | AC | 352 ms | 18156 KB |
test_289_421462830_-487186374_-417635361.txt | AC | 336 ms | 17392 KB |
test_2_91743015_0_183486030AB.txt | AC | 349 ms | 17996 KB |
test_30_10000000_-300000000_0B.txt | AC | 347 ms | 18156 KB |
test_30_10000000_0_300000000B.txt | AC | 351 ms | 18032 KB |
test_30_10000000_150000000_-150000000B.txt | AC | 353 ms | 18164 KB |
test_30_54228128_0_813421920B.txt | AC | 341 ms | 17780 KB |
test_339_4475128_957677392_281933064.txt | AC | 450 ms | 24140 KB |
test_3_165357536_496072608_0AB.txt | AC | 353 ms | 17908 KB |
test_3_357154050_-106436394_768502001AB.txt | AC | 338 ms | 17384 KB |
test_3_721501125_-568833455_353553641AB.txt | AC | 343 ms | 17388 KB |
test_3_893846474_0_0AB.txt | AC | 347 ms | 17652 KB |
test_480_402960_-131767920_-34654560.txt | AC | 376 ms | 18732 KB |
test_4_291388018_-291388018_0AB.txt | AC | 345 ms | 17640 KB |
test_507_3516183_-879045750_-253165176.txt | AC | 372 ms | 18796 KB |
test_515_8606048_-25818144_8606048.txt | AC | 370 ms | 18804 KB |
test_522_2286376_-230923976_-18291008.txt | AC | 368 ms | 18796 KB |
test_5_318547875_955643625_-637095750AB.txt | AC | 356 ms | 17868 KB |
test_5_704387671_-704387671_0AB.txt | AC | 361 ms | 17904 KB |
test_5_82323965_639854915_-688317394AB.txt | AC | 348 ms | 17308 KB |
test_676_198114948_0_792459792.txt | AC | 736 ms | 37840 KB |
test_688_151937211_-286341114_10198771.txt | AC | 337 ms | 17396 KB |
test_6_187422602_374845204_-374845204AB.txt | AC | 350 ms | 17860 KB |
test_6_346164451_0_0AB.txt | AC | 349 ms | 17928 KB |
test_6_99058019_194123640_-837769837AB.txt | AC | 347 ms | 17300 KB |
test_71_367604060_367604060_0.txt | AC | 367 ms | 19444 KB |
test_752_120973200_0_-725839200.txt | AC | 828 ms | 38452 KB |
test_772_881340073_0_0.txt | AC | 894 ms | 40000 KB |
test_777_125719576_-499451637_822057459.txt | AC | 341 ms | 17396 KB |
test_7_166330212_166330212_-332660424AB.txt | AC | 352 ms | 17936 KB |
test_7_89698746_448493730_-179397492AB.txt | AC | 351 ms | 18032 KB |
test_839_166155061_0_-332310122.txt | AC | 365 ms | 18804 KB |
test_839_923157_923157_564972084.txt | AC | 662 ms | 34576 KB |
test_849_415705_290993500_0.txt | AC | 368 ms | 18796 KB |
test_873_418406_2928842_322172620.txt | AC | 544 ms | 26484 KB |
test_8_10000000_-40000000_-40000000AB.txt | AC | 353 ms | 18040 KB |
test_8_10000000_0_80000000AB.txt | AC | 356 ms | 18024 KB |
test_8_10000000_80000000_0AB.txt | AC | 361 ms | 18036 KB |
test_981_159373724_-637494896_-159373724.txt | AC | 1162 ms | 42204 KB |
test_9_283198156_849594468_849594468B.txt | AC | 350 ms | 17736 KB |