Submission #3593746


Source Code Expand

#include <iostream>
#include <vector>
using namespace std;

int main(){
  int N, D, X, Y;
  cin >> N >> D >> X >> Y;
  if(X%D or Y%D){
    cout << 0.0 << endl;
    return 0;
  }
  X /= D, Y /= D;
  vector<double> F(N+1);
  F[0] = 1.0;
  for(int i = 0; i < N; ++i) F[i+1] = F[i]*(i+1);
  double ans = 0, t = F[N];
  for(int i = max(X,0); i <= N; ++i){
    for(int j = max(Y,0); j <= N-i; ++j){
      int k = i-X, l = j-Y;
      if(k < 0 or l < 0) continue;
      if(i + j + k + l != N) continue;
      ans += t/F[i]/F[j]/F[k]/F[l];
    }
  }
  for(int i = 0; i < N; ++i) ans /= 4;
  printf("%.12f\n",ans);
  return 0;
}

Submission Info

Submission Time
Task D - 大ジャンプ
User TAB
Language C++14 (GCC 5.4.1)
Score 100
Code Size 647 Byte
Status WA
Exec Time 2 ms
Memory 256 KB

Judge Result

Set Name part1 part2 All
Score / Max Score 90 / 90 10 / 10 0 / 1
Status
AC × 23
AC × 36
AC × 55
WA × 16
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 sample_01.txt, sample_02.txt, sample_03.txt, 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 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
test_1000_1000000_-500000000_500000000.txt WA 1 ms 256 KB
test_1000_1000000_0_-1000000000.txt WA 2 ms 256 KB
test_1000_1000000_1000000000_0.txt WA 1 ms 256 KB
test_1000_150305_97998860_-32315575.txt AC 1 ms 256 KB
test_1000_1_0_0.txt WA 2 ms 256 KB
test_1000_1_2_0.txt WA 2 ms 256 KB
test_1000_1_2_2.txt WA 2 ms 256 KB
test_1000_3308678_-800700076_-350719868.txt WA 2 ms 256 KB
test_1000_3608549_811923525_689232859.txt WA 1 ms 256 KB
test_1000_3728577_-145414503_-969430020.txt AC 2 ms 256 KB
test_1000_537976_11297496_224335992.txt WA 1 ms 256 KB
test_10_227248639_454497278_0B.txt AC 1 ms 256 KB
test_11_692637325_-181424149_-938839075B.txt AC 1 ms 256 KB
test_130_95365311_-667557177_-286095933.txt AC 1 ms 256 KB
test_131_18204705_-145637640_0.txt AC 1 ms 256 KB
test_13_260236679_-780710037_-520473358B.txt AC 1 ms 256 KB
test_13_269280357_807841071_269280357B.txt AC 1 ms 256 KB
test_13_96859935_0_-581159610B.txt AC 1 ms 256 KB
test_16_40374395_-40374395_-565241530B.txt AC 1 ms 256 KB
test_1_151403858_0_0AB.txt AC 1 ms 256 KB
test_1_1_0_1AB.txt AC 1 ms 256 KB
test_1_1_2_0AB.txt AC 1 ms 256 KB
test_1_200416616_-430405070_-79858930AB.txt AC 1 ms 256 KB
test_1_320861287_0_0AB.txt AC 1 ms 256 KB
test_1_445441131_0_0AB.txt AC 1 ms 256 KB
test_210_28974130_0_260767170.txt AC 1 ms 256 KB
test_217_321156_24407856_22480920.txt AC 1 ms 256 KB
test_21_304856339_609712678_914569017B.txt AC 1 ms 256 KB
test_26_214390232_-857560928_428780464B.txt AC 1 ms 256 KB
test_289_421462830_-487186374_-417635361.txt AC 1 ms 256 KB
test_2_91743015_0_183486030AB.txt AC 1 ms 256 KB
test_30_10000000_-300000000_0B.txt AC 1 ms 256 KB
test_30_10000000_0_300000000B.txt AC 1 ms 256 KB
test_30_10000000_150000000_-150000000B.txt AC 1 ms 256 KB
test_30_54228128_0_813421920B.txt AC 1 ms 256 KB
test_339_4475128_957677392_281933064.txt WA 1 ms 256 KB
test_3_165357536_496072608_0AB.txt AC 1 ms 256 KB
test_3_357154050_-106436394_768502001AB.txt AC 1 ms 256 KB
test_3_721501125_-568833455_353553641AB.txt AC 1 ms 256 KB
test_3_893846474_0_0AB.txt AC 1 ms 256 KB
test_480_402960_-131767920_-34654560.txt AC 1 ms 256 KB
test_4_291388018_-291388018_0AB.txt AC 1 ms 256 KB
test_507_3516183_-879045750_-253165176.txt AC 1 ms 256 KB
test_515_8606048_-25818144_8606048.txt AC 1 ms 256 KB
test_522_2286376_-230923976_-18291008.txt AC 1 ms 256 KB
test_5_318547875_955643625_-637095750AB.txt AC 1 ms 256 KB
test_5_704387671_-704387671_0AB.txt AC 1 ms 256 KB
test_5_82323965_639854915_-688317394AB.txt AC 1 ms 256 KB
test_676_198114948_0_792459792.txt WA 2 ms 256 KB
test_688_151937211_-286341114_10198771.txt AC 1 ms 256 KB
test_6_187422602_374845204_-374845204AB.txt AC 1 ms 256 KB
test_6_346164451_0_0AB.txt AC 1 ms 256 KB
test_6_99058019_194123640_-837769837AB.txt AC 1 ms 256 KB
test_71_367604060_367604060_0.txt AC 1 ms 256 KB
test_752_120973200_0_-725839200.txt WA 2 ms 256 KB
test_772_881340073_0_0.txt WA 2 ms 256 KB
test_777_125719576_-499451637_822057459.txt AC 1 ms 256 KB
test_7_166330212_166330212_-332660424AB.txt AC 1 ms 256 KB
test_7_89698746_448493730_-179397492AB.txt AC 1 ms 256 KB
test_839_166155061_0_-332310122.txt AC 2 ms 256 KB
test_839_923157_923157_564972084.txt WA 1 ms 256 KB
test_849_415705_290993500_0.txt AC 1 ms 256 KB
test_873_418406_2928842_322172620.txt WA 1 ms 256 KB
test_8_10000000_-40000000_-40000000AB.txt AC 1 ms 256 KB
test_8_10000000_0_80000000AB.txt AC 1 ms 256 KB
test_8_10000000_80000000_0AB.txt AC 1 ms 256 KB
test_981_159373724_-637494896_-159373724.txt WA 2 ms 256 KB
test_9_283198156_849594468_849594468B.txt AC 1 ms 256 KB