[20250920] BOJ / G4 / 인문예술탐사주간 / 한종욱 #937
Merged
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🧷 문제 링크
https://www.acmicpc.net/problem/23829
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
배열과 숫자가 주어졌을 때, 각 원소와 숫자의 차의 합을 구하라.
🔍 풀이 방법
X보다 큰 수와 작은 수로 나누어서 계산한다. 누적합으로 먼저 계산해 놓고,
에서 (X * a - A) + (B - X * b)를 계산한다.
⏳ 회고
처음에 하나하나 계산할라했는데 낚시였다.