Submission #244066


Source Code Expand

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<sstream>
#include<utility>
#include<map>
#include<vector>
#include<queue>
#include<algorithm>
using namespace std;
typedef long long ll;
typedef pair<int,int>P;

int N,D,X,Y;
double dp[1005][1005],res=0.0;

void p()
{
	dp[0][0]=1;
	for(int i=1;i<1005;i++)
		for(int j=0;j<1005;j++)
		{
			if(j==0)dp[i][j]=dp[i-1][j]/2;
			else dp[i][j]=(dp[i-1][j]+dp[i-1][j-1])/2;
		}
}

int main()
{
	p();
	scanf("%d%d%d%d",&N,&D,&X,&Y);
	X=abs(X);Y=abs(Y);
	if(X%D||Y%D||(X/D)+(Y/D)>N)
	{
		puts("0.0");
		return 0;
	}
	X/=D;Y/=D;
	for(int i=0;i<=N;i++)
	{
		int ud=i,rl=N-i;
		if(ud<Y||rl<X||(ud-Y)%2||(rl-X)%2)continue;
		res+=dp[N][ud]*dp[ud][ud-(ud+Y)/2]*dp[rl][rl-(rl+X)/2];
	}
	printf("%.12lf\n",res);
}

Submission Info

Submission Time
Task D - 大ジャンプ
User Iceman0
Language C++ (G++ 4.6.4)
Score 101
Code Size 840 Byte
Status AC
Exec Time 59 ms
Memory 8680 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:33:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result

Set Name part1 part2 All
Score / Max Score 90 / 90 10 / 10 1 / 1
Status
AC × 23
AC × 36
AC × 68
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 AC 50 ms 8672 KB
sample_02.txt AC 51 ms 8680 KB
sample_03.txt AC 57 ms 8616 KB
test_1000_1000000_-500000000_500000000.txt AC 45 ms 8604 KB
test_1000_1000000_0_-1000000000.txt AC 41 ms 8616 KB
test_1000_1000000_1000000000_0.txt AC 41 ms 8612 KB
test_1000_150305_97998860_-32315575.txt AC 45 ms 8604 KB
test_1000_1_0_0.txt AC 41 ms 8616 KB
test_1000_1_2_0.txt AC 51 ms 8604 KB
test_1000_1_2_2.txt AC 50 ms 8620 KB
test_1000_3308678_-800700076_-350719868.txt AC 40 ms 8616 KB
test_1000_3608549_811923525_689232859.txt AC 41 ms 8612 KB
test_1000_3728577_-145414503_-969430020.txt AC 40 ms 8604 KB
test_1000_537976_11297496_224335992.txt AC 41 ms 8596 KB
test_10_227248639_454497278_0B.txt AC 40 ms 8612 KB
test_11_692637325_-181424149_-938839075B.txt AC 40 ms 8608 KB
test_130_95365311_-667557177_-286095933.txt AC 52 ms 8672 KB
test_131_18204705_-145637640_0.txt AC 46 ms 8612 KB
test_13_260236679_-780710037_-520473358B.txt AC 41 ms 8612 KB
test_13_269280357_807841071_269280357B.txt AC 50 ms 8604 KB
test_13_96859935_0_-581159610B.txt AC 54 ms 8672 KB
test_16_40374395_-40374395_-565241530B.txt AC 50 ms 8604 KB
test_1_151403858_0_0AB.txt AC 59 ms 8672 KB
test_1_1_0_1AB.txt AC 55 ms 8604 KB
test_1_1_2_0AB.txt AC 40 ms 8612 KB
test_1_200416616_-430405070_-79858930AB.txt AC 39 ms 8604 KB
test_1_320861287_0_0AB.txt AC 41 ms 8612 KB
test_1_445441131_0_0AB.txt AC 40 ms 8612 KB
test_210_28974130_0_260767170.txt AC 39 ms 8616 KB
test_217_321156_24407856_22480920.txt AC 40 ms 8612 KB
test_21_304856339_609712678_914569017B.txt AC 42 ms 8612 KB
test_26_214390232_-857560928_428780464B.txt AC 41 ms 8604 KB
test_289_421462830_-487186374_-417635361.txt AC 49 ms 8672 KB
test_2_91743015_0_183486030AB.txt AC 49 ms 8672 KB
test_30_10000000_-300000000_0B.txt AC 47 ms 8604 KB
test_30_10000000_0_300000000B.txt AC 41 ms 8608 KB
test_30_10000000_150000000_-150000000B.txt AC 40 ms 8616 KB
test_30_54228128_0_813421920B.txt AC 41 ms 8596 KB
test_339_4475128_957677392_281933064.txt AC 46 ms 8672 KB
test_3_165357536_496072608_0AB.txt AC 46 ms 8576 KB
test_3_357154050_-106436394_768502001AB.txt AC 40 ms 8604 KB
test_3_721501125_-568833455_353553641AB.txt AC 42 ms 8608 KB
test_3_893846474_0_0AB.txt AC 41 ms 8608 KB
test_480_402960_-131767920_-34654560.txt AC 40 ms 8616 KB
test_4_291388018_-291388018_0AB.txt AC 42 ms 8600 KB
test_507_3516183_-879045750_-253165176.txt AC 41 ms 8608 KB
test_515_8606048_-25818144_8606048.txt AC 41 ms 8612 KB
test_522_2286376_-230923976_-18291008.txt AC 39 ms 8612 KB
test_5_318547875_955643625_-637095750AB.txt AC 41 ms 8608 KB
test_5_704387671_-704387671_0AB.txt AC 40 ms 8612 KB
test_5_82323965_639854915_-688317394AB.txt AC 42 ms 8608 KB
test_676_198114948_0_792459792.txt AC 43 ms 8596 KB
test_688_151937211_-286341114_10198771.txt AC 43 ms 8628 KB
test_6_187422602_374845204_-374845204AB.txt AC 39 ms 8612 KB
test_6_346164451_0_0AB.txt AC 39 ms 8616 KB
test_6_99058019_194123640_-837769837AB.txt AC 41 ms 8604 KB
test_71_367604060_367604060_0.txt AC 42 ms 8608 KB
test_752_120973200_0_-725839200.txt AC 47 ms 8608 KB
test_772_881340073_0_0.txt AC 43 ms 8616 KB
test_777_125719576_-499451637_822057459.txt AC 41 ms 8604 KB
test_7_166330212_166330212_-332660424AB.txt AC 40 ms 8608 KB
test_7_89698746_448493730_-179397492AB.txt AC 42 ms 8604 KB
test_839_166155061_0_-332310122.txt AC 40 ms 8608 KB
test_839_923157_923157_564972084.txt AC 42 ms 8608 KB
test_849_415705_290993500_0.txt AC 40 ms 8612 KB
test_873_418406_2928842_322172620.txt AC 41 ms 8616 KB
test_8_10000000_-40000000_-40000000AB.txt AC 41 ms 8672 KB
test_8_10000000_0_80000000AB.txt AC 41 ms 8608 KB
test_8_10000000_80000000_0AB.txt AC 42 ms 8608 KB
test_981_159373724_-637494896_-159373724.txt AC 42 ms 8612 KB
test_9_283198156_849594468_849594468B.txt AC 41 ms 8616 KB