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No.1133 Kimwipe Eater

レベル : / AI推定難易度 : 133 / 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 134
作問者 : null / テスター : leafirby
お気に入りにしたユーザー ProblemId : 4827 / 自分の提出
問題文最終更新日: 2022-04-25 23:37:40
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

Problem Statement

null-kun loves Kimwipes more than any other food.
Currently, one Kimwipe is placed on each lattice point inside the square from $(0, 0)$ to $(n, n)$ on the coordinate plane.
On the coordinate plane, $x$ is horizontal and $y$ is vertical. $(0,0)$ is at the bottom left, and the rightward and upward directions are positive.
null-kun is initially at $(0,0)$.
null-kun will now move $m$ times. If there is a Kimwipe at the destination of a move, he eats it. The Kimwipe at $(0,0)$ is considered to have already been eaten.
Output whether a Kimwipe exists on each lattice point after the $m$ moves.

Constraints

  • $1 \le n \le 200$
  • $1 \le m \le 10^6$
  • $|s| = m$ (here, $|s|$ denotes the length of $s$)
  • $n,m$ are all integers
  • $s$ contains only the characters U,R,L,D

Input

$n \ m$  
$s$

The moves never go outside the square from $(0,0)$ to $(n,n)$ in terms of both the $x,y$ coordinates. The moves are given by $s$. Letting $(a,b)$ be the coordinates before a move, U represents an upward move to $(a, b + 1)$, R a rightward move to $(a + 1,b)$, L a leftward move to $(a - 1, b)$, and D a downward move to $(a, b - 1)$.

Output

Print an output of size $(n + 1) \times (n + 1)$.
For the lattice points, print 1 if there is a Kimwipe at that point and 0 if there is not, separated by spaces.
Do not include a space at the end of a line. Print a newline at the end.

Sample

Sample 1
Input
2 8
RRULLURR
Output
0 0 0
0 0 0
0 0 0

He ate all of them.

Sample 2
Input
1 2
RL
Output
1 1
0 0

Note that the bottom left is $(0, 0)$ and the top right is $(n, n)$.

Source

Beginners After Typhoon Contest#01: G - Kimwipe Eater
writer: null
tester: leafirby, QCFium
Ported in accordance with the HackerRank terms. Some parts have been modified.

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