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🧷 문제 링크
https://www.acmicpc.net/problem/1162
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
다익스트란데 K개 이하의 도로를 포장할 거다. 그 때, 얻을 수 있는 최소 시간을 구하라.
🔍 풀이 방법
dist[][]인데 dp적인 성격이 강했다고 생각한다.
다음 길을 선택할 때,
를 구분해야 했다.
⏳ 회고
최근에 배낭문제를 많이 풀어서, 풀이가 운이 좋게 생각났다. 실제로 1학기 동안 도로포장을 풀려고 시도를 몇번이나 했지만 실패했었다.