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No.2220 Range Insert & Point Mex

レベル : / AI推定難易度 : 1600 / 実行時間制限 : 1ケース 2.000秒 / メモリ制限 : 512 MB / 標準ジャッジ問題
タグ : (AC するまで非表示) / 解いたユーザー数 106
作問者 : stoq / テスター : ぷら Shirotsume
お気に入りにしたユーザー ProblemId : 9116 / 自分の提出
問題文最終更新日: 2023-02-18 08:27:14
This statement was translated by AI (claude-opus-5-5, effort medium) and may contain errors or differ in nuance from the original. The original statement takes precedence. Back to the original
yukicoder contest 377 (順位表) の他の問題:

Problem Statement

There are $10^9$ sets $S_1,S_2,\dots,S_{10^9}$. Initially, all of the sets are empty.

First, $N$ operations are performed on these sets. The $i$-th operation $(1 \le i \le N)$ is described by a tuple $(l_i,r_i,a_i)$ as follows.

  • For $j = l_i,l_i+1,\dots,r_i$, replace $S_j$ with $S_j \cup \{ a_i \}$.

Next, $Q$ integers $x_1,\dots,x_Q$ are given.
For each $i=1,\dots,Q$, find ${\rm Mex}(S_{x_i})$.

Here, ${\rm Mex}(X)$ denotes the smallest non-negative integer not contained in $X$.

Input

$N$
$l_1$ $r_1$ $a_1$
$\vdots$
$l_N$ $r_N$ $a_N$
$Q$
$x_1$ $\dots$ $x_Q$

  • All input values are integers.
  • $1\le N \le 10^5$
  • $1 \le l_i \le r_i \le 10^9$
  • $0 \le a_i \le 10^9$
  • $1 \le Q \le 10^5$
  • $1 \le x_1 < x_2 < \cdots < x_Q \le 10^9$

Output

On line $i\ (1 \le i \le Q)$, print ${\rm Mex}(S_{x_i})$.

Sample

Sample 1
Input
4
1 3 0
2 3 2
3 5 1
5 5 0
6
1 2 3 4 5 6
Output
1
1
3
0
2
0

After all the operations are performed, the sets $S_i$ are as follows.

  • $S_1 = \{ 0\}$
  • $S_2 = \{ 0,2 \}$
  • $S_3 = \{ 0,1,2 \}$
  • $S_4 = \{ 1 \}$
  • $S_5 = \{ 0,1 \}$
  • $S_6 = S_7 = \cdots = S_{10^9} = \{ \}$

Sample 2
Input
6
1 1 0
1 1 2
1 1 1
1 1 0
1 1 3
1 1 2
1
1
Output
4

We have $S_1 = \{ 0,1,2,3 \}$.

Sample 3
Input
8
10 100000 0
1000000 1000000000 0
1 1000000000 1
100 10000 2
100000 100000000 2
100 1000 3
1000 1000 4
1000000000 1000000000 1000000000
10
1 10 100 1000 10000 100000 1000000 10000000 100000000 1000000000
Output
0
2
4
5
3
3
3
3
3
2

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