Submission #1678242

Source Code Expand

def ascan; gets.split.map(&:to_i);end

n = gets.to_i

pts = []

n.times do
    pts << ascan
end

cnt = 0

pts.combination(3) do |p1, p2, p3|
    x1 = p1[0] - p3[0]
    y1 = p1[1] - p3[1]
    x2 = p2[0] - p3[0]
    y2 = p2[1] - p3[1]
    area2 = (x1*y2 - x2*y1).abs
    cnt += 1 if area2 != 0 && area2.even?
end

p cnt

Submission Info

Submission Time
Task B - 格子点と整数
User m_buyoh
Language Ruby (2.3.3)
Score 100
Code Size 340 Byte
Status AC
Exec Time 78 ms
Memory 1916 KB

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
AC × 75
Set Name Test Cases
All case_01.txt, case_02.txt, case_03.txt, case_04.txt, case_05.txt, case_06.txt, case_07.txt, case_08.txt, case_09.txt, case_10.txt, case_11.txt, case_12.txt, case_13.txt, case_14.txt, case_15.txt, case_16.txt, case_17.txt, case_18.txt, case_19.txt, case_20.txt, case_21.txt, case_22.txt, case_23.txt, case_24.txt, case_25.txt, case_26.txt, case_27.txt, case_28.txt, case_29.txt, case_30.txt, case_31.txt, case_32.txt, case_33.txt, case_34.txt, case_35.txt, case_36.txt, case_37.txt, case_38.txt, case_39.txt, case_40.txt, case_41.txt, case_42.txt, case_43.txt, case_44.txt, case_45.txt, case_46.txt, case_47.txt, case_48.txt, case_49.txt, case_50.txt, case_51.txt, case_52.txt, case_53.txt, case_54.txt, case_55.txt, case_56.txt, case_57.txt, case_58.txt, case_59.txt, case_60.txt, case_61.txt, case_62.txt, case_63.txt, case_64.txt, case_65.txt, case_66.txt, case_67.txt, case_68.txt, case_69.txt, case_70.txt, case_71.txt, sample_1.txt, sample_2.txt, sample_3.txt, sample_4.txt
Case Name Status Exec Time Memory
case_01.txt AC 44 ms 1916 KB
case_02.txt AC 78 ms 1788 KB
case_03.txt AC 59 ms 1788 KB
case_04.txt AC 9 ms 1788 KB
case_05.txt AC 8 ms 1788 KB
case_06.txt AC 72 ms 1788 KB
case_07.txt AC 10 ms 1788 KB
case_08.txt AC 8 ms 1788 KB
case_09.txt AC 66 ms 1788 KB
case_10.txt AC 24 ms 1788 KB
case_11.txt AC 49 ms 1788 KB
case_12.txt AC 11 ms 1788 KB
case_13.txt AC 58 ms 1788 KB
case_14.txt AC 40 ms 1788 KB
case_15.txt AC 52 ms 1788 KB
case_16.txt AC 40 ms 1788 KB
case_17.txt AC 9 ms 1788 KB
case_18.txt AC 39 ms 1788 KB
case_19.txt AC 8 ms 1788 KB
case_20.txt AC 9 ms 1788 KB
case_21.txt AC 69 ms 1788 KB
case_22.txt AC 22 ms 1788 KB
case_23.txt AC 13 ms 1788 KB
case_24.txt AC 14 ms 1788 KB
case_25.txt AC 19 ms 1788 KB
case_26.txt AC 9 ms 1788 KB
case_27.txt AC 70 ms 1788 KB
case_28.txt AC 8 ms 1788 KB
case_29.txt AC 53 ms 1788 KB
case_30.txt AC 36 ms 1788 KB
case_31.txt AC 8 ms 1788 KB
case_32.txt AC 29 ms 1788 KB
case_33.txt AC 53 ms 1788 KB
case_34.txt AC 49 ms 1788 KB
case_35.txt AC 9 ms 1788 KB
case_36.txt AC 8 ms 1788 KB
case_37.txt AC 7 ms 1788 KB
case_38.txt AC 8 ms 1788 KB
case_39.txt AC 32 ms 1788 KB
case_40.txt AC 52 ms 1788 KB
case_41.txt AC 8 ms 1788 KB
case_42.txt AC 54 ms 1788 KB
case_43.txt AC 9 ms 1788 KB
case_44.txt AC 8 ms 1788 KB
case_45.txt AC 44 ms 1788 KB
case_46.txt AC 40 ms 1788 KB
case_47.txt AC 8 ms 1788 KB
case_48.txt AC 18 ms 1788 KB
case_49.txt AC 11 ms 1788 KB
case_50.txt AC 77 ms 1788 KB
case_51.txt AC 76 ms 1788 KB
case_52.txt AC 78 ms 1788 KB
case_53.txt AC 78 ms 1788 KB
case_54.txt AC 76 ms 1788 KB
case_55.txt AC 76 ms 1788 KB
case_56.txt AC 76 ms 1788 KB
case_57.txt AC 75 ms 1788 KB
case_58.txt AC 76 ms 1788 KB
case_59.txt AC 76 ms 1788 KB
case_60.txt AC 78 ms 1788 KB
case_61.txt AC 77 ms 1788 KB
case_62.txt AC 76 ms 1788 KB
case_63.txt AC 77 ms 1788 KB
case_64.txt AC 77 ms 1788 KB
case_65.txt AC 76 ms 1788 KB
case_66.txt AC 78 ms 1788 KB
case_67.txt AC 76 ms 1788 KB
case_68.txt AC 75 ms 1788 KB
case_69.txt AC 76 ms 1788 KB
case_70.txt AC 71 ms 1788 KB
case_71.txt AC 16 ms 1788 KB
sample_1.txt AC 7 ms 1788 KB
sample_2.txt AC 7 ms 1788 KB
sample_3.txt AC 7 ms 1788 KB
sample_4.txt AC 7 ms 1788 KB