Problem: Link.
Solution:
Code:
/* ID: *** LANG: JAVA PROG: milk2 */ import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileReader; import java.io.FileWriter; /** * @author antonio081014 * @since Feb 16, 2012, 3:52:23 PM */ public class milk2 { public int[] count; public int startTime; public int endTime; public static void main(String[] args) throws Exception { milk2 main = new milk2(); main.solve(); System.exit(0); } public void solve() throws Exception { BufferedReader br = new BufferedReader(new FileReader("milk2.in")); BufferedWriter out = new BufferedWriter(new FileWriter("milk2.out")); int N = Integer.parseInt(br.readLine()); count = new int[1000001]; startTime = 1000000; endTime = 0; for (int i = 0; i < N; i++) { String[] strs = br.readLine().split("\\s"); int start = Integer.parseInt(strs[0]); int end = Integer.parseInt(strs[1]); startTime = Math.min(start, startTime); endTime = Math.max(end, endTime); for (int k = start; k < end; k++) count[k]++; } int maxTime1 = 0; int maxTime2 = 0; int tmp1 = 0; int tmp2 = 0; for (int i = startTime; i < endTime; i++) { if (count[i] > 0) { tmp1++; tmp2 = 0; } else { tmp2++; tmp1 = 0; } maxTime1 = Math.max(maxTime1, tmp1); maxTime2 = Math.max(maxTime2, tmp2); } out.write("" + maxTime1 + " " + maxTime2 + "\n"); out.close(); } }