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Subsequences Summing to Sevens

https://www.acmicpc.net/problem/11974 11974번: Subsequences Summing to Sevens Farmer John's \(N\) cows are standing in a row, as they have a tendency to do from time to time. Each cow is labeled with a distinct integer ID number so FJ can tell them apart. FJ would like to take a photo of a contiguous group of cows but, due to a trau www.acmicpc.net 이 문제는 기본 pre-sum을 구한다는 건 쉽게 알 수 있으나, 그것을 조금만 응용하..
코딩 테스트 대비 추천 문제/USACO 2019. 4. 2. 13:47
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