結果
| 問題 |
No.433 ICPC国内予選の選抜ルールがこんな感じだったらうれしい
|
| コンテスト | |
| ユーザー |
hiromi_ayase
|
| 提出日時 | 2017-07-20 01:31:49 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 1,268 ms / 4,000 ms |
| コード長 | 4,658 bytes |
| コンパイル時間 | 2,985 ms |
| コンパイル使用メモリ | 92,744 KB |
| 実行使用メモリ | 65,332 KB |
| 最終ジャッジ日時 | 2024-10-08 14:44:07 |
| 合計ジャッジ時間 | 29,422 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | AC * 48 |
ソースコード
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.TreeSet;
public class Main {
public static void main(String[] args) {
FastScanner sc = new FastScanner();
int N = sc.nextInt();
int K = sc.nextInt();
int[][][] table = new int[11][100001][];
int[] ptr = new int[11];
for (int i = 0; i < N; i ++) {
int S = sc.nextInt();
int P = sc.nextInt();
int U = sc.nextInt();
int[] d = new int[3];
table[S][ptr[S]] = d;
d[0] = P;
d[1] = U;
d[2] = i;
ptr[S] ++;
}
for (int i = 0; i <= 10; i ++) {
table[i] = Arrays.copyOf(table[i], ptr[i]);
}
int counter = 0;
int[] uCount = new int[100001];
for (int i = 10; i >= 0; i--) {
Map<Integer, SortedSet<int[]>> subMap = new HashMap<>();
TreeMap<Integer, SortedSet<int[]>> map = new TreeMap<>((a, b) -> {
if (uCount[a] == uCount[b]) {
if (subMap.get(a).first()[0] == subMap.get(b).first()[0]) {
return a - b;
} else {
return subMap.get(a).first()[0] - subMap.get(b).first()[0];
}
} else {
return uCount[a] - uCount[b];
}
});
for (int[] d : table[i]) {
int U = d[1];
if (!subMap.containsKey(U)) {
subMap.put(U, new TreeSet<>((a, b) -> a[0] - b[0]));
}
subMap.get(U).add(d);
}
for (Map.Entry<Integer, SortedSet<int[]>> entry : subMap.entrySet()) {
map.put(entry.getKey(), entry.getValue());
}
while (map.size() > 0) {
SortedSet<int[]> set = map.firstEntry().getValue();
map.remove(map.firstKey());
int[] d = set.first();
set.remove(d);
System.out.println(d[2]);
counter ++;
uCount[d[1]] ++;
if (counter == K) {
return;
}
if (set.size() > 0) {
map.put(d[1], set);
}
}
}
}
}
class FastScanner {
public static String debug = null;
private final InputStream in = System.in;
private int ptr = 0;
private int buflen = 0;
private byte[] buffer = new byte[1024];
private boolean eos = false;
private boolean hasNextByte() {
if (ptr < buflen) {
return true;
} else {
ptr = 0;
try {
if (debug != null) {
buflen = debug.length();
buffer = debug.getBytes();
debug = "";
eos = true;
} else {
buflen = in.read(buffer);
}
} catch (IOException e) {
e.printStackTrace();
}
if (buflen < 0) {
eos = true;
return false;
} else if (buflen == 0) {
return false;
}
}
return true;
}
private int readByte() {
if (hasNextByte())
return buffer[ptr++];
else
return -1;
}
private static boolean isPrintableChar(int c) {
return 33 <= c && c <= 126;
}
private void skipUnprintable() {
while (hasNextByte() && !isPrintableChar(buffer[ptr]))
ptr++;
}
public boolean isEOS() {
return this.eos;
}
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() {
return (int) nextLong();
}
public long[] nextLongList(int n) {
return nextLongTable(1, n)[0];
}
public int[] nextIntList(int n) {
return nextIntTable(1, n)[0];
}
public long[][] nextLongTable(int n, int m) {
long[][] ret = new long[n][m];
for (int i = 0; i < n; i ++) {
for (int j = 0; j < m; j ++) {
ret[i][j] = nextLong();
}
}
return ret;
}
public int[][] nextIntTable(int n, int m) {
int[][] ret = new int[n][m];
for (int i = 0; i < n; i ++) {
for (int j = 0; j < m; j ++) {
ret[i][j] = nextInt();
}
}
return ret;
}
}
hiromi_ayase