Submission #2124491
Source Code Expand
import java.io.*; import java.util.*; public class Main implements Runnable { public void run() { BetterScanner scanner = new BetterScanner(System.in); int n = scanner.nextInt(); int mc = scanner.nextInt(); int[][] prog = new int[mc][100001]; for (int i = 0 ; i < n ; i ++) { int s = scanner.nextInt() - 1; int t = scanner.nextInt() - 1; int c = scanner.nextInt() - 1; prog[c][s] ++; prog[c][t + 1] --; } for (int c = 0 ; c < mc ; c ++) { int sum = 0; for (int i = 0 ; i < 100001 ; i ++) { sum += prog[c][i]; prog[c][i] = sum; } } int max = 0; for (int i = 0 ; i < 100001 ; i ++) { int current = 0; for (int c = 0 ; c < mc ; c ++) { if (prog[c][i] > 0) { current ++; } } if (current > max) { max = current; } } System.out.println(max); } public static void main(String[] args) { Main main = new Main(); main.run(); } // scanner slightly faster than usual ones public static class BetterScanner { private InputStream stream; private byte[] buffer = new byte[1024]; private int pointer = 0; private int bufferLength = 0; public BetterScanner(InputStream stream) { this.stream = stream; } private boolean updateBuffer() { if (pointer >= bufferLength) { pointer = 0; try { bufferLength = stream.read(buffer); } catch (IOException exception) { exception.printStackTrace(); } return bufferLength > 0; } else { return true; } } private int read() { if (updateBuffer()) { return buffer[pointer ++]; } else { return -1; } } public boolean hasNext() { skipUnprintable(); return updateBuffer(); } private void skipUnprintable() { while (updateBuffer() && !isPrintableChar(buffer[pointer])) { pointer ++; } } public String next() { if (hasNext()) { StringBuilder builder = new StringBuilder(); int codePoint = read(); while (isPrintableChar(codePoint)) { builder.appendCodePoint(codePoint); codePoint = read(); } return builder.toString(); } else { throw new NoSuchElementException(); } } public long nextLong() { if (hasNext()) { long number = 0; boolean minus = false; int codePoint = read(); if (codePoint == '-') { minus = true; codePoint = read(); } if (codePoint >= '0' && codePoint <= '9') { while (true) { if (codePoint >= '0' && codePoint <= '9') { number *= 10; number += codePoint - '0'; } else if (codePoint < 0 || !isPrintableChar(codePoint)) { return (minus) ? -number : number; } else { throw new NumberFormatException(); } codePoint = read(); } } else { throw new NumberFormatException(); } } else { throw new NoSuchElementException(); } } public int nextInt() { long number = nextLong(); if (number >= Integer.MIN_VALUE && number <= Integer.MAX_VALUE) { return (int)number; } else { throw new NumberFormatException(); } } private boolean isPrintableChar(int codePoint) { return codePoint >= 33 && codePoint <= 126; } } }
Submission Info
Submission Time | |
---|---|
Task | D - Recording |
User | ziphil |
Language | Java8 (OpenJDK 1.8.0) |
Score | 400 |
Code Size | 3748 Byte |
Status | AC |
Exec Time | 131 ms |
Memory | 34644 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, sample_01.txt, sample_02.txt, sample_03.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 128 ms | 33036 KB |
02.txt | AC | 126 ms | 30764 KB |
03.txt | AC | 129 ms | 33224 KB |
04.txt | AC | 129 ms | 31956 KB |
05.txt | AC | 115 ms | 20620 KB |
06.txt | AC | 126 ms | 32840 KB |
07.txt | AC | 122 ms | 34228 KB |
08.txt | AC | 96 ms | 31316 KB |
09.txt | AC | 130 ms | 30932 KB |
10.txt | AC | 131 ms | 32832 KB |
11.txt | AC | 128 ms | 31572 KB |
12.txt | AC | 92 ms | 23892 KB |
13.txt | AC | 93 ms | 31060 KB |
14.txt | AC | 92 ms | 30676 KB |
15.txt | AC | 105 ms | 29268 KB |
16.txt | AC | 127 ms | 34388 KB |
17.txt | AC | 128 ms | 30976 KB |
18.txt | AC | 129 ms | 33088 KB |
19.txt | AC | 130 ms | 34644 KB |
sample_01.txt | AC | 76 ms | 19540 KB |
sample_02.txt | AC | 90 ms | 23892 KB |
sample_03.txt | AC | 78 ms | 21076 KB |