[20251030] PGM / LV3 / 등굣길 / 강신지 #1273
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🧷 문제 링크
https://school.programmers.co.kr/learn/courses/30/lessons/42898
🧭 풀이 시간
20분
👀 체감 난이도
✏️ 문제 설명
집부터 학교까지 오른쪽 또는 아래로만 한칸씩 움직이며 갈 때 최단 경로의 수를 구하라
단, 지나갈 수 없는 웅덩이가 존재함
🔍 풀이 방법
dp로 풀었다. 웅덩이가 위 또는 아래에 있는지를 조건으로 해 적절히 연산.
⏳ 회고
n이 행, m이 열임에 주의. 웅덩이 좌표를 (m, n)으로 주는데 dp[n][m]에 저장해야...