結果
問題 | No.11 カードマッチ |
ユーザー | CrazyBBB |
提出日時 | 2016-03-06 15:05:25 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 78 ms / 5,000 ms |
コード長 | 3,508 bytes |
コンパイル時間 | 2,203 ms |
コンパイル使用メモリ | 77,348 KB |
実行使用メモリ | 39,760 KB |
最終ジャッジ日時 | 2024-10-11 20:02:52 |
合計ジャッジ時間 | 4,195 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
other | AC * 19 |
ソースコード
import java.io.IOException;import java.io.InputStream;import java.util.NoSuchElementException;public class Main {public static void main(String[] args) {FastScanner sc = new FastScanner();int W = sc.nextInt();int H = sc.nextInt();int N = sc.nextInt();int[] S = new int[N];int[] K = new int[N];boolean[] chW = new boolean[W];boolean[] chH = new boolean[H];for (int i=0; i<N; i++) {S[i] = sc.nextInt();K[i] = sc.nextInt();chW[S[i]-1] = true;chH[K[i]-1] = true;}long cntW = 0;long cntH = 0;for (int i=0; i<W; i++) {if (chW[i]) cntW++;}for (int i=0; i<H; i++) {if (chH[i]) cntH++;}long ans = cntW*H + W*cntH - cntW*cntH - N;System.out.println(ans);}}///////////////////////////////////////////////////////class FastScanner {private final InputStream in = System.in;private final byte[] buffer = new byte[1024];private int ptr = 0;private int buflen = 0;private boolean hasNextByte() {if (ptr < buflen) {return true;}else{ptr = 0;try {buflen = in.read(buffer);} catch (IOException e) {e.printStackTrace();}if (buflen <= 0) {return false;}}return true;}private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}private boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;}public boolean hasNext() { skipUnprintable(); return hasNextByte();}public String next() {if (!hasNext()) throw new NoSuchElementException();StringBuilder sb = new StringBuilder();int b = readByte();while(isPrintableChar(b)) {sb.appendCodePoint(b);b = readByte();}return sb.toString();}public long nextLong() {if (!hasNext()) throw new NoSuchElementException();long n = 0;boolean minus = false;int b = readByte();if (b == '-') {minus = true;b = readByte();}if (b < '0' || '9' < b) {throw new NumberFormatException();}while(true){if ('0' <= b && b <= '9') {n *= 10;n += b - '0';}else if(b == -1 || !isPrintableChar(b)){return minus ? -n : n;}else{throw new NumberFormatException();}b = readByte();}}public int nextInt() {if (!hasNext()) throw new NoSuchElementException();int n = 0;boolean minus = false;int b = readByte();if (b == '-') {minus = true;b = readByte();}if (b < '0' || '9' < b) {throw new NumberFormatException();}while(true){if ('0' <= b && b <= '9') {n *= 10;n += b - '0';}else if(b == -1 || !isPrintableChar(b)){return minus ? -n : n;}else{throw new NumberFormatException();}b = readByte();}}}