Submission #1306190
Source Code Expand
import java.io.*; import java.math.*; import java.util.*; public class Main { private static boolean debug = false; private static boolean elapsed = false; private static PrintWriter _out = new PrintWriter(System.out); private static PrintWriter _err = new PrintWriter(System.err); private void solve(Scanner sc) { int N = sc.nextInt(); int C = sc.nextInt(); int K = sc.nextInt(); int[] T = new int[N]; for (int i = 0; i < N; ++i) { T[i] = sc.nextInt(); } Arrays.sort(T); int min = 0; int start = K; int busCnt = 0; int pCnt = 0; for (int i = 0; i < N; ++i) { if (i == 0) { min = T[i]; start = T[i] + K; ++pCnt; ++busCnt; } else { if (T[i] > start) { min = T[i]; start = T[i] + K; pCnt = 1; ++busCnt; } else if (pCnt >= C) { min = T[i]; start = T[i] + K; pCnt = 1; ++busCnt; } else { min = T[i]; ++pCnt; } } } _out.println(busCnt); } private static BigInteger C(long n, long r) { BigInteger res = BigInteger.ONE; for (long i = n; i > n - r; --i) { res = res.multiply(BigInteger.valueOf(i)); } for (long i = r; i > 1; --i) { res = res.divide(BigInteger.valueOf(i)); } return res; } private static BigInteger P(long n, long r) { BigInteger res = BigInteger.ONE; for (long i = n; i > n - r; --i) { res = res.multiply(BigInteger.valueOf(i)); } return res; } /* * 10^10 > Integer.MAX_VALUE = 2147483647 > 10^9 * 10^19 > Long.MAX_VALUE = 9223372036854775807L > 10^18 */ public static void main(String[] args) { long S = System.currentTimeMillis(); Scanner sc = new Scanner(System.in); new Main().solve(sc); _out.flush(); long G = System.currentTimeMillis(); if (elapsed) { _err.println((G - S) + "ms"); } _err.flush(); } }
Submission Info
Submission Time | |
---|---|
Task | A - Airport Bus |
User | hhelibex |
Language | Java8 (OpenJDK 1.8.0) |
Score | 300 |
Code Size | 2453 Byte |
Status | AC |
Exec Time | 496 ms |
Memory | 52284 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
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Set Name | Test Cases |
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Sample | sample1.txt, sample2.txt |
All | sample1.txt, sample2.txt, in1.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, sample1.txt, sample2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 118 ms | 19540 KB |
in2.txt | AC | 474 ms | 50732 KB |
in3.txt | AC | 472 ms | 52284 KB |
in4.txt | AC | 496 ms | 46272 KB |
in5.txt | AC | 143 ms | 22760 KB |
in6.txt | AC | 482 ms | 46328 KB |
in7.txt | AC | 480 ms | 48956 KB |
in8.txt | AC | 490 ms | 46312 KB |
sample1.txt | AC | 93 ms | 20820 KB |
sample2.txt | AC | 92 ms | 19796 KB |