Submission #3185842
Source Code Expand
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Main { static int N; static int[] X, Y; public static void main(String[] args) { FastScanner sc = new FastScanner(System.in); N = sc.nextInt(); X = new int[N]; Y = new int[N]; for (int i = 0; i < N; i++) { X[i] = sc.nextInt(); Y[i] = sc.nextInt(); } System.out.println(solve()); } static int solve() { int cnt = 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++) { if( calc(i, j, k) ) { cnt++; } } } } return cnt; } static boolean calc(int i, int j, int k) { long x1 = X[j] - X[i]; long y1 = Y[j] - Y[i]; long x2 = X[k] - X[i]; long y2 = Y[k] - Y[i]; long area = Math.abs(x1 * y2 - y1 * x2); return area > 0 && area % 2 == 0; } @SuppressWarnings("unused") static class FastScanner { private BufferedReader reader; private StringTokenizer tokenizer; FastScanner(InputStream in) { reader = new BufferedReader(new InputStreamReader(in)); tokenizer = null; } String next() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } String nextLine() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { return reader.readLine(); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken("\n"); } long nextLong() { return Long.parseLong(next()); } int nextInt() { return Integer.parseInt(next()); } int[] nextIntArray(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt(); return a; } long[] nextLongArray(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nextLong(); return a; } } }
Submission Info
Submission Time | |
---|---|
Task | B - 格子点と整数 |
User | kusomushi |
Language | Java8 (OpenJDK 1.8.0) |
Score | 100 |
Code Size | 2772 Byte |
Status | AC |
Exec Time | 93 ms |
Memory | 24916 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
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 | 77 ms | 19668 KB |
case_02.txt | AC | 81 ms | 22356 KB |
case_03.txt | AC | 84 ms | 20948 KB |
case_04.txt | AC | 71 ms | 21076 KB |
case_05.txt | AC | 72 ms | 20692 KB |
case_06.txt | AC | 88 ms | 18132 KB |
case_07.txt | AC | 72 ms | 20436 KB |
case_08.txt | AC | 70 ms | 20692 KB |
case_09.txt | AC | 92 ms | 20436 KB |
case_10.txt | AC | 85 ms | 19668 KB |
case_11.txt | AC | 81 ms | 20308 KB |
case_12.txt | AC | 77 ms | 21328 KB |
case_13.txt | AC | 90 ms | 20564 KB |
case_14.txt | AC | 78 ms | 20564 KB |
case_15.txt | AC | 89 ms | 17492 KB |
case_16.txt | AC | 79 ms | 21204 KB |
case_17.txt | AC | 70 ms | 19540 KB |
case_18.txt | AC | 79 ms | 20564 KB |
case_19.txt | AC | 71 ms | 21460 KB |
case_20.txt | AC | 73 ms | 22740 KB |
case_21.txt | AC | 91 ms | 21460 KB |
case_22.txt | AC | 75 ms | 20692 KB |
case_23.txt | AC | 83 ms | 24660 KB |
case_24.txt | AC | 82 ms | 19668 KB |
case_25.txt | AC | 86 ms | 18516 KB |
case_26.txt | AC | 71 ms | 19796 KB |
case_27.txt | AC | 92 ms | 21076 KB |
case_28.txt | AC | 80 ms | 18644 KB |
case_29.txt | AC | 89 ms | 17620 KB |
case_30.txt | AC | 77 ms | 20820 KB |
case_31.txt | AC | 70 ms | 20564 KB |
case_32.txt | AC | 77 ms | 19796 KB |
case_33.txt | AC | 89 ms | 17620 KB |
case_34.txt | AC | 77 ms | 19668 KB |
case_35.txt | AC | 72 ms | 18772 KB |
case_36.txt | AC | 80 ms | 19028 KB |
case_37.txt | AC | 70 ms | 21716 KB |
case_38.txt | AC | 75 ms | 19796 KB |
case_39.txt | AC | 76 ms | 19412 KB |
case_40.txt | AC | 78 ms | 20820 KB |
case_41.txt | AC | 80 ms | 21204 KB |
case_42.txt | AC | 88 ms | 21460 KB |
case_43.txt | AC | 82 ms | 19668 KB |
case_44.txt | AC | 72 ms | 18260 KB |
case_45.txt | AC | 79 ms | 19284 KB |
case_46.txt | AC | 78 ms | 18900 KB |
case_47.txt | AC | 83 ms | 22612 KB |
case_48.txt | AC | 83 ms | 20820 KB |
case_49.txt | AC | 81 ms | 18644 KB |
case_50.txt | AC | 89 ms | 18388 KB |
case_51.txt | AC | 89 ms | 21460 KB |
case_52.txt | AC | 79 ms | 18644 KB |
case_53.txt | AC | 80 ms | 24916 KB |
case_54.txt | AC | 92 ms | 20308 KB |
case_55.txt | AC | 90 ms | 21204 KB |
case_56.txt | AC | 90 ms | 19796 KB |
case_57.txt | AC | 92 ms | 21204 KB |
case_58.txt | AC | 82 ms | 19540 KB |
case_59.txt | AC | 92 ms | 21460 KB |
case_60.txt | AC | 90 ms | 20052 KB |
case_61.txt | AC | 90 ms | 24916 KB |
case_62.txt | AC | 92 ms | 19924 KB |
case_63.txt | AC | 92 ms | 20436 KB |
case_64.txt | AC | 79 ms | 20436 KB |
case_65.txt | AC | 92 ms | 18132 KB |
case_66.txt | AC | 90 ms | 20692 KB |
case_67.txt | AC | 92 ms | 20948 KB |
case_68.txt | AC | 92 ms | 20564 KB |
case_69.txt | AC | 92 ms | 24916 KB |
case_70.txt | AC | 93 ms | 20948 KB |
case_71.txt | AC | 83 ms | 19796 KB |
sample_1.txt | AC | 68 ms | 18900 KB |
sample_2.txt | AC | 70 ms | 20308 KB |
sample_3.txt | AC | 69 ms | 19412 KB |
sample_4.txt | AC | 68 ms | 19284 KB |