Submission #188195
Source Code Expand
#include <algorithm> #include <bitset> #include <cctype> #include <complex> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;} template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();} template<class T> inline T sqr(T x) {return x*x;} typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef long long ll; #define all(a) (a).begin(),(a).end() #define rall(a) (a).rbegin(), (a).rend() #define pb push_back #define mp make_pair #define each(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i) #define exist(s,e) ((s).find(e)!=(s).end()) #define range(i,a,b) for(int i=(a);i<(b);++i) #define rep(i,n) range(i,0,n) #define clr(a,b) memset((a), (b) ,sizeof(a)) #define dump(x) cerr << #x << " = " << (x) << endl; #define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl; const double eps = 1e-10; const double pi = acos(-1.0); const ll INF =1LL << 62; const int inf =1 << 29; long double fact[1010]; long double com(ll n,ll m){ long double ans=1; ans=(fact[n]/fact[m])/fact[n-m]; return ans; } void init(){ fact[0]=1; for(int i=1;i<=1000;i++) fact[i]=(fact[i-1]*i); } int main(void){ int n,d,x,y; cin >> n >> d >> x >> y; if(x%d||y%d){ cout << 0 << endl; return 0; } init(); x/=d; x=abs(x); y/=d; y=abs(y); long double res=0.0; for(int i=x;i<=n-y;i++){ int lr=i; int ud=n-i; if((lr-x)%2==0&&(ud-y)%2==0) res+=com(n,lr)*com(lr,x+(lr-x)/2)*com(ud,y+(ud-y)/2); } //dump(res) rep(i,n) res/=4.0; cout.precision(10); cout << fixed << res << endl; return 0; }
Submission Info
Submission Time | |
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Task | D - 大ジャンプ |
User | Hec |
Language | C++ (G++ 4.6.4) |
Score | 101 |
Code Size | 2154 Byte |
Status | AC |
Exec Time | 23 ms |
Memory | 932 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 | 21 ms | 796 KB |
sample_02.txt | AC | 21 ms | 800 KB |
sample_03.txt | AC | 21 ms | 796 KB |
test_1000_1000000_-500000000_500000000.txt | AC | 21 ms | 932 KB |
test_1000_1000000_0_-1000000000.txt | AC | 21 ms | 932 KB |
test_1000_1000000_1000000000_0.txt | AC | 21 ms | 928 KB |
test_1000_150305_97998860_-32315575.txt | AC | 21 ms | 804 KB |
test_1000_1_0_0.txt | AC | 21 ms | 932 KB |
test_1000_1_2_0.txt | AC | 20 ms | 924 KB |
test_1000_1_2_2.txt | AC | 21 ms | 928 KB |
test_1000_3308678_-800700076_-350719868.txt | AC | 21 ms | 796 KB |
test_1000_3608549_811923525_689232859.txt | AC | 21 ms | 932 KB |
test_1000_3728577_-145414503_-969430020.txt | AC | 21 ms | 796 KB |
test_1000_537976_11297496_224335992.txt | AC | 21 ms | 804 KB |
test_10_227248639_454497278_0B.txt | AC | 21 ms | 800 KB |
test_11_692637325_-181424149_-938839075B.txt | AC | 21 ms | 764 KB |
test_130_95365311_-667557177_-286095933.txt | AC | 21 ms | 932 KB |
test_131_18204705_-145637640_0.txt | AC | 21 ms | 932 KB |
test_13_260236679_-780710037_-520473358B.txt | AC | 21 ms | 920 KB |
test_13_269280357_807841071_269280357B.txt | AC | 22 ms | 920 KB |
test_13_96859935_0_-581159610B.txt | AC | 21 ms | 804 KB |
test_16_40374395_-40374395_-565241530B.txt | AC | 21 ms | 800 KB |
test_1_151403858_0_0AB.txt | AC | 20 ms | 924 KB |
test_1_1_0_1AB.txt | AC | 21 ms | 800 KB |
test_1_1_2_0AB.txt | AC | 21 ms | 928 KB |
test_1_200416616_-430405070_-79858930AB.txt | AC | 21 ms | 924 KB |
test_1_320861287_0_0AB.txt | AC | 21 ms | 800 KB |
test_1_445441131_0_0AB.txt | AC | 20 ms | 804 KB |
test_210_28974130_0_260767170.txt | AC | 20 ms | 800 KB |
test_217_321156_24407856_22480920.txt | AC | 21 ms | 928 KB |
test_21_304856339_609712678_914569017B.txt | AC | 20 ms | 808 KB |
test_26_214390232_-857560928_428780464B.txt | AC | 20 ms | 804 KB |
test_289_421462830_-487186374_-417635361.txt | AC | 21 ms | 928 KB |
test_2_91743015_0_183486030AB.txt | AC | 21 ms | 924 KB |
test_30_10000000_-300000000_0B.txt | AC | 20 ms | 800 KB |
test_30_10000000_0_300000000B.txt | AC | 20 ms | 928 KB |
test_30_10000000_150000000_-150000000B.txt | AC | 21 ms | 848 KB |
test_30_54228128_0_813421920B.txt | AC | 21 ms | 932 KB |
test_339_4475128_957677392_281933064.txt | AC | 21 ms | 804 KB |
test_3_165357536_496072608_0AB.txt | AC | 21 ms | 928 KB |
test_3_357154050_-106436394_768502001AB.txt | AC | 21 ms | 676 KB |
test_3_721501125_-568833455_353553641AB.txt | AC | 21 ms | 676 KB |
test_3_893846474_0_0AB.txt | AC | 21 ms | 928 KB |
test_480_402960_-131767920_-34654560.txt | AC | 22 ms | 928 KB |
test_4_291388018_-291388018_0AB.txt | AC | 21 ms | 912 KB |
test_507_3516183_-879045750_-253165176.txt | AC | 21 ms | 928 KB |
test_515_8606048_-25818144_8606048.txt | AC | 21 ms | 804 KB |
test_522_2286376_-230923976_-18291008.txt | AC | 21 ms | 800 KB |
test_5_318547875_955643625_-637095750AB.txt | AC | 21 ms | 928 KB |
test_5_704387671_-704387671_0AB.txt | AC | 21 ms | 804 KB |
test_5_82323965_639854915_-688317394AB.txt | AC | 21 ms | 920 KB |
test_676_198114948_0_792459792.txt | AC | 20 ms | 928 KB |
test_688_151937211_-286341114_10198771.txt | AC | 20 ms | 924 KB |
test_6_187422602_374845204_-374845204AB.txt | AC | 21 ms | 932 KB |
test_6_346164451_0_0AB.txt | AC | 20 ms | 796 KB |
test_6_99058019_194123640_-837769837AB.txt | AC | 20 ms | 796 KB |
test_71_367604060_367604060_0.txt | AC | 20 ms | 804 KB |
test_752_120973200_0_-725839200.txt | AC | 21 ms | 760 KB |
test_772_881340073_0_0.txt | AC | 22 ms | 928 KB |
test_777_125719576_-499451637_822057459.txt | AC | 20 ms | 796 KB |
test_7_166330212_166330212_-332660424AB.txt | AC | 21 ms | 928 KB |
test_7_89698746_448493730_-179397492AB.txt | AC | 21 ms | 928 KB |
test_839_166155061_0_-332310122.txt | AC | 20 ms | 928 KB |
test_839_923157_923157_564972084.txt | AC | 23 ms | 748 KB |
test_849_415705_290993500_0.txt | AC | 20 ms | 804 KB |
test_873_418406_2928842_322172620.txt | AC | 21 ms | 808 KB |
test_8_10000000_-40000000_-40000000AB.txt | AC | 20 ms | 924 KB |
test_8_10000000_0_80000000AB.txt | AC | 20 ms | 800 KB |
test_8_10000000_80000000_0AB.txt | AC | 21 ms | 928 KB |
test_981_159373724_-637494896_-159373724.txt | AC | 20 ms | 928 KB |
test_9_283198156_849594468_849594468B.txt | AC | 21 ms | 932 KB |