| 102 | } |
| 103 | |
| 104 | public static void main(String[] args) throws Exception { |
| 105 | FastReader in = new FastReader(System.in); |
| 106 | PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out)); |
| 107 | n = in.nextInt(); |
| 108 | m = in.nextInt(); |
| 109 | for (int i = 1; i <= n; i++) { |
| 110 | arr[i] = in.nextInt(); |
| 111 | } |
| 112 | for (int i = 1; i <= m; i++) { |
| 113 | query[i][0] = in.nextInt(); |
| 114 | query[i][1] = in.nextInt(); |
| 115 | query[i][2] = i; |
| 116 | } |
| 117 | prepare(); |
| 118 | compute(); |
| 119 | for (int i = 1; i <= m; i++) { |
| 120 | out.println(ans1[i] + "/" + ans2[i]); |
| 121 | } |
| 122 | out.flush(); |
| 123 | out.close(); |
| 124 | } |
| 125 | |
| 126 | // 读写工具类 |
| 127 | static class FastReader { |