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No.3634 Made to order

レベル : / AI推定難易度 : 1800 / 実行時間制限 : 1ケース 2.000秒 / メモリ制限 : 1024 MB / 標準ジャッジ問題
タグ : (解説公開後に AC するまで非表示) / 解いたユーザー数 24
作問者 : 👑 ssmbc2929_bartok / テスター : 👑 p-adic
お気に入りにしたユーザー ProblemId : 13435 / 自分の提出
問題文最終更新日: 2026-08-15 15:27:18
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yukicoder contest 510 数学まみれコンテスト (順位表) の他の問題:

Problem Statement

Bartok Construction manufactures made-to-order desks.

One day, the company received the following request.

Please deliver $N$ desks within $D$ days.

According to the foreman, manufacturing $1$ desk requires performing process $1$ → process $2$ → process $3$ in this order.
Manufacturing desk $i$ takes $A_i, B_i, C_i$ days for process $1$, process $2$, and process $3$, respectively.
The company has $1$ dedicated machine for each process, and each machine can handle only $1$ work-in-progress item (= a desk in the middle of being manufactured) at a time.
Work-in-progress items are placed on the line as soon as it is decided to manufacture them, so an item that has completed a process undergoes the next process as soon as the machine for that process becomes free.
Therefore, the desks may be manufactured in any order, but work cannot be interrupted until all processes are finished.
Also, the order of input cannot be changed between processes. For example, an item that started process $1$ earlier must also start process $2$ earlier.

When the manufacturing order is chosen optimally so that delivery happens as early as possible, determine whether all the desks can be completed within $D$ days from the start of work.
Note that delivery cannot take place until all items are completed, and it takes place immediately on the day all items are completed.

Constraints

  • $1 \leq N \leq 13$
  • $1 \leq D \leq 5 \times 10^3$
  • $1 \leq A_i, B_i, C_i \leq 100$ ($1 \leq i \leq N$)
  • All input values are integers.

Input

$N\ D$    
$A_1\ B_1\ C_1$    
$A_2\ B_2\ C_2$  
$\vdots$  
$A_N\ B_N\ C_N$  

Output

Print Yes if a manufacturing order satisfying the condition exists, and No otherwise, on $1$ line. Print a newline at the end.

Partial Score

This problem has partial scoring based on subtasks.

SubtaskScoreConstraints
サブタスク $1$20% (60 pts)$(A, B, C)$ について,$min(A_i) ≥ max(B_i)$ または $min(C_i) ≥ max(B_i)$ を満たす,$N ≤ 13$ までの入力
サブタスク $2$10% (30 pts)サブタスク $1$ の条件を満たすとは限らない,$N ≤ 10$ までの入力
サブタスク $3$70% (210 pts)サブタスク $1$ の条件を満たすとは限らない,$N ≤ 13$ までの入力
* However, you will receive $0$ points unless you get AC on the sample corresponding to each subtask number.
That is, you must get AC on sample $1$ for subtask $1$, sample $2$ for subtask $2$, and sample $3$ for subtask $3$.

Also, if you write code that can get AC only on subtask $2$, it may get TLE on the code test of subtask $1$.
Therefore, when submitting such code, it is recommended to make it terminate immediately if the constraints of subtask $2$ are not satisfied.

Sample

Sample 1
Input
3 18
5 4 2
6 2 1
4 4 4
Output
Yes

For example, by making the desks in the order desk $3$ → desk $1$ → desk $2$, it is possible to meet the deadline $D$ of $18$ days. The manufacturing process in this case is shown in the figure below.

Sample 2
Input
6 422
75 100 15
74 75 20
80 57 53
48 42 1
5 68 1
78 55 94
Output
No

Sample 3
Input
11 724
73 98 9
33 16 64
98 58 61
84 49 27
13 63 4
50 56 78
98 99 1
90 58 35
93 30 76
14 41 4
3 4 84
Output
No

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