http://poj.org/problem?id=2371 import java.util.Arrays; import java.util.Scanner; public class Main { public static void quickSort(int[] data, int s, int t) { int i = s+1; int j = t; int x = data[s]; while (i <= j) { while (i <= j && data[j] >= x) --j; while (i <= j && x >= data[i]) ++i; if (i <= j) { data[i] = data[j] + ((data[j] = data[i]) & 0); i++; j--; } } if (j != s) { data[s] = data[j]; data[j] = x; } if (s < j - 1) quickSort(data, s, j - 1); if (j + 1 < t) quickSort(data, j + 1, t); } public static void main(String[] args) { Scanner sc = new Scanner(System.in); int sum = sc.nextInt(); int[] database = new int[sum]; for (int i = 0; i < sum; ++i) { database[i] = sc.nextInt(); } // Arrays.sort(database); quickSort(database, 0, database.length-1); sc.nextLine(); sc.nextLine(); int queryCount = sc.nextInt(); for (int i = 0; i < queryCount; ++i) { int queryNum = sc.nextInt(); System.out.println(database[queryNum - 1]); } // for(int i = 0 ; i < database.length ;++i) // System.out.print(database[i]+" "); } }
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