結果
| 問題 |
No.202 1円玉投げ
|
| コンテスト | |
| ユーザー |
fujisu
|
| 提出日時 | 2015-05-09 16:53:44 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,400 bytes |
| コンパイル時間 | 2,742 ms |
| コンパイル使用メモリ | 80,324 KB |
| 実行使用メモリ | 74,436 KB |
| 最終ジャッジ日時 | 2024-12-22 08:52:03 |
| 合計ジャッジ時間 | 26,673 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 24 WA * 14 |
ソースコード
import java.io.IOException;
import java.util.ArrayList;
import java.util.InputMismatchException;
public class Main {
class Point implements Comparable<Point> {
int x, y;
Point(int x, int y) {
this.x = x;
this.y = y;
}
@Override
public int compareTo(Point o) {
return this.x != o.x ? this.x - o.x : this.y - o.y;
}
}
boolean isIntersect(Point a, Point b) {
return (a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y) < 400;
}
void run() {
MyScanner sc = new MyScanner();
ArrayList<Point>[] X = new ArrayList[20001];
ArrayList<Point>[] Y = new ArrayList[20001];
for (int i = 0; i < 20001; i++) {
X[i] = new ArrayList<Point>();
Y[i] = new ArrayList<Point>();
}
int n = sc.nextInt();
int ans = 0;
L: for (int i = 0; i < n; i++) {
int x = sc.nextInt();
int y = sc.nextInt();
Point p = new Point(x, y);
int maxY = Math.min(20000, y + 19);
for (int j = Math.max(0, y - 19); j <= maxY; j++) {
for (Point q : Y[j]) {
if (isIntersect(p, q)) {
continue L;
}
if (p.x < q.x && !isIntersect(p, q)) {
break;
}
}
}
int maxX = Math.min(20000, x + 19);
for (int j = Math.max(0, x - 19); j <= maxX; j++) {
for (Point q : X[j]) {
if (isIntersect(p, q)) {
continue L;
}
if (p.y < q.y && !isIntersect(p, q)) {
break;
}
}
}
X[x].add(p);
Y[y].add(p);
ans++;
}
System.out.println(ans);
}
public static void main(String[] args) {
new Main().run();
}
public void mapDebug(int[][] a) {
System.out.println("--------map display---------");
for (int i = 0; i < a.length; i++) {
for (int j = 0; j < a[i].length; j++) {
System.out.printf("%3d ", a[i][j]);
}
System.out.println();
}
System.out.println("----------------------------" + '\n');
}
class MyScanner {
int read() {
try {
return System.in.read();
} catch (IOException e) {
throw new InputMismatchException();
}
}
boolean isSpaceChar(int c) {
return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
}
boolean isEndline(int c) {
return c == '\n' || c == '\r' || c == -1;
}
int nextInt() {
return Integer.parseInt(next());
}
int[] nextIntArray(int n) {
int[] array = new int[n];
for (int i = 0; i < n; i++)
array[i] = nextInt();
return array;
}
long nextLong() {
return Long.parseLong(next());
}
long[] nextLongArray(int n) {
long[] array = new long[n];
for (int i = 0; i < n; i++)
array[i] = nextLong();
return array;
}
double nextDouble() {
return Double.parseDouble(next());
}
double[] nextDoubleArray(int n) {
double[] array = new double[n];
for (int i = 0; i < n; i++)
array[i] = nextDouble();
return array;
}
String next() {
int c = read();
while (isSpaceChar(c))
c = read();
StringBuilder res = new StringBuilder();
do {
res.appendCodePoint(c);
c = read();
} while (!isSpaceChar(c));
return res.toString();
}
String[] nextStringArray(int n) {
String[] array = new String[n];
for (int i = 0; i < n; i++)
array[i] = next();
return array;
}
String nextLine() {
int c = read();
while (isEndline(c))
c = read();
StringBuilder res = new StringBuilder();
do {
res.appendCodePoint(c);
c = read();
} while (!isEndline(c));
return res.toString();
}
}
}
fujisu