Submission #5911633


Source Code Expand

using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;
using static System.Console;
using static System.Math;

class Program
{
    static void Main(string[] args)
    {
        int N = ReadLineParseInt();
        KeyValuePair<int, int>[] pos = new KeyValuePair<int, int>[N];
        for(int i = 0; i < N; i++)
        {
            int[] xy = ReadLineParseIntArray();
            pos[i] = new KeyValuePair<int, int>(xy[0], xy[1]);
        }
        int ans = 0;
        for(int i = 0; i < N - 2; i++)
            for(int j = i + 1; j < N - 1; j++)
                for(int k = j + 1; k < N; k++)
                {
                    int x1 = pos[j].Key - pos[i].Key;
                    int y1 = pos[j].Value - pos[i].Value;
                    int x2 = pos[k].Key - pos[i].Key;
                    int y2 = pos[k].Value - pos[i].Value;
                    long v = x1 * y2 - y1 * x2;
                    if (v != 0 && v % 2 == 0)
                        ans++;
                }
        WriteLine(ans);
    }



    static int ReadLineParseInt() => int.Parse(ReadLine());

    static int[] ReadLineParseIntArray() => ReadLine().Split(' ').Select(int.Parse).ToArray();
}

Submission Info

Submission Time
Task B - 格子点と整数
User oziya
Language C# (Mono 4.6.2.0)
Score 0
Code Size 1240 Byte
Status WA
Exec Time 25 ms
Memory 13396 KB

Judge Result

Set Name All
Score / Max Score 0 / 100
Status
AC × 73
WA × 2
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 24 ms 13268 KB
case_02.txt AC 24 ms 9300 KB
case_03.txt AC 24 ms 11220 KB
case_04.txt AC 23 ms 11220 KB
case_05.txt AC 23 ms 11348 KB
case_06.txt AC 24 ms 11220 KB
case_07.txt AC 23 ms 9172 KB
case_08.txt AC 23 ms 11220 KB
case_09.txt AC 24 ms 11220 KB
case_10.txt AC 24 ms 13268 KB
case_11.txt AC 24 ms 11220 KB
case_12.txt AC 23 ms 11348 KB
case_13.txt AC 24 ms 11220 KB
case_14.txt AC 24 ms 11220 KB
case_15.txt AC 23 ms 9172 KB
case_16.txt AC 24 ms 11220 KB
case_17.txt AC 23 ms 11220 KB
case_18.txt AC 24 ms 11220 KB
case_19.txt AC 24 ms 13268 KB
case_20.txt AC 23 ms 11348 KB
case_21.txt AC 24 ms 11220 KB
case_22.txt AC 24 ms 11348 KB
case_23.txt AC 23 ms 11220 KB
case_24.txt AC 23 ms 11220 KB
case_25.txt AC 23 ms 11220 KB
case_26.txt AC 24 ms 11220 KB
case_27.txt AC 24 ms 11220 KB
case_28.txt AC 23 ms 9300 KB
case_29.txt AC 24 ms 11348 KB
case_30.txt AC 24 ms 13268 KB
case_31.txt AC 23 ms 9172 KB
case_32.txt AC 23 ms 9172 KB
case_33.txt AC 24 ms 11348 KB
case_34.txt AC 24 ms 11220 KB
case_35.txt AC 23 ms 11220 KB
case_36.txt AC 23 ms 11220 KB
case_37.txt AC 23 ms 11220 KB
case_38.txt AC 23 ms 13268 KB
case_39.txt AC 24 ms 11220 KB
case_40.txt AC 24 ms 11220 KB
case_41.txt AC 23 ms 11220 KB
case_42.txt AC 24 ms 11348 KB
case_43.txt AC 23 ms 11220 KB
case_44.txt AC 23 ms 11220 KB
case_45.txt AC 24 ms 11220 KB
case_46.txt AC 25 ms 13268 KB
case_47.txt AC 23 ms 9300 KB
case_48.txt AC 23 ms 11348 KB
case_49.txt AC 23 ms 11220 KB
case_50.txt AC 25 ms 11220 KB
case_51.txt AC 25 ms 11348 KB
case_52.txt AC 25 ms 13268 KB
case_53.txt AC 25 ms 13268 KB
case_54.txt AC 25 ms 11220 KB
case_55.txt AC 25 ms 11220 KB
case_56.txt AC 24 ms 11220 KB
case_57.txt AC 25 ms 11220 KB
case_58.txt AC 25 ms 13268 KB
case_59.txt AC 25 ms 13268 KB
case_60.txt AC 25 ms 13268 KB
case_61.txt AC 24 ms 9172 KB
case_62.txt AC 24 ms 9300 KB
case_63.txt AC 25 ms 11348 KB
case_64.txt AC 25 ms 13396 KB
case_65.txt AC 25 ms 11348 KB
case_66.txt AC 25 ms 11348 KB
case_67.txt AC 25 ms 9172 KB
case_68.txt AC 24 ms 9172 KB
case_69.txt AC 25 ms 9172 KB
case_70.txt WA 24 ms 9172 KB
case_71.txt WA 23 ms 9300 KB
sample_1.txt AC 23 ms 11348 KB
sample_2.txt AC 23 ms 11348 KB
sample_3.txt AC 23 ms 11220 KB
sample_4.txt AC 23 ms 9172 KB