Submission #1677664


Source Code Expand

#include <algorithm>
#include <bitset>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cctype>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <vector>
#define ll long long
#define imfor(i, n) for(int i = 0; i < n; i++)
using namespace std;
ll MOD = 1000000007;

int main() {
    int n;
    cin >> n;
    ll x[110], y[110];
    int ans = 0;
    imfor(i, n) {
        cin >> x[i] >> y[i];
    }
    for (int i = 0; i < n; i++) {
        for (int j = i + 1; j < n; j++) {
            for (int k = j + 1; k < n; k++) {
                ll x1 = x[i] - x[k];
                ll y1 = y[i] - y[k];
                ll x2 = x[j] - x[k];
                ll y2 = y[j] - y[k];
                if (abs(x1 * y2 - y1 * x2) % 2 == 0 && abs(x1 * y2 - y1 * x2) != 0) {
                    ans++;    
                }
            }
        }
    }
    cout << ans << endl;
}

Submission Info

Submission Time
Task B - 格子点と整数
User imaizumi14
Language C++14 (GCC 5.4.1)
Score 100
Code Size 1040 Byte
Status AC
Exec Time 3 ms
Memory 384 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 2 ms 256 KB
case_02.txt AC 2 ms 256 KB
case_03.txt AC 2 ms 256 KB
case_04.txt AC 1 ms 256 KB
case_05.txt AC 1 ms 256 KB
case_06.txt AC 2 ms 256 KB
case_07.txt AC 1 ms 256 KB
case_08.txt AC 1 ms 256 KB
case_09.txt AC 2 ms 256 KB
case_10.txt AC 1 ms 256 KB
case_11.txt AC 2 ms 256 KB
case_12.txt AC 1 ms 256 KB
case_13.txt AC 2 ms 256 KB
case_14.txt AC 2 ms 256 KB
case_15.txt AC 2 ms 256 KB
case_16.txt AC 2 ms 256 KB
case_17.txt AC 1 ms 256 KB
case_18.txt AC 3 ms 384 KB
case_19.txt AC 1 ms 256 KB
case_20.txt AC 1 ms 256 KB
case_21.txt AC 2 ms 256 KB
case_22.txt AC 1 ms 256 KB
case_23.txt AC 1 ms 256 KB
case_24.txt AC 1 ms 256 KB
case_25.txt AC 1 ms 256 KB
case_26.txt AC 1 ms 256 KB
case_27.txt AC 2 ms 256 KB
case_28.txt AC 1 ms 256 KB
case_29.txt AC 2 ms 256 KB
case_30.txt AC 2 ms 256 KB
case_31.txt AC 1 ms 256 KB
case_32.txt AC 2 ms 256 KB
case_33.txt AC 2 ms 256 KB
case_34.txt AC 2 ms 256 KB
case_35.txt AC 1 ms 256 KB
case_36.txt AC 1 ms 256 KB
case_37.txt AC 1 ms 256 KB
case_38.txt AC 1 ms 256 KB
case_39.txt AC 1 ms 256 KB
case_40.txt AC 2 ms 256 KB
case_41.txt AC 1 ms 256 KB
case_42.txt AC 2 ms 256 KB
case_43.txt AC 1 ms 256 KB
case_44.txt AC 1 ms 256 KB
case_45.txt AC 2 ms 256 KB
case_46.txt AC 2 ms 256 KB
case_47.txt AC 1 ms 256 KB
case_48.txt AC 1 ms 256 KB
case_49.txt AC 1 ms 256 KB
case_50.txt AC 2 ms 256 KB
case_51.txt AC 2 ms 256 KB
case_52.txt AC 2 ms 256 KB
case_53.txt AC 2 ms 256 KB
case_54.txt AC 2 ms 256 KB
case_55.txt AC 2 ms 256 KB
case_56.txt AC 2 ms 256 KB
case_57.txt AC 2 ms 256 KB
case_58.txt AC 2 ms 256 KB
case_59.txt AC 2 ms 256 KB
case_60.txt AC 2 ms 256 KB
case_61.txt AC 2 ms 256 KB
case_62.txt AC 2 ms 256 KB
case_63.txt AC 2 ms 256 KB
case_64.txt AC 2 ms 256 KB
case_65.txt AC 2 ms 256 KB
case_66.txt AC 2 ms 256 KB
case_67.txt AC 2 ms 256 KB
case_68.txt AC 2 ms 256 KB
case_69.txt AC 2 ms 256 KB
case_70.txt AC 2 ms 256 KB
case_71.txt AC 1 ms 256 KB
sample_1.txt AC 1 ms 256 KB
sample_2.txt AC 1 ms 256 KB
sample_3.txt AC 1 ms 256 KB
sample_4.txt AC 1 ms 256 KB