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스케이트 연습
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Time Limit: 2000 ms
Memory Limit: 256 MB
Silver III
4
Author: Unknown author
C
week 3
그리디
1 ≤ Vi ≤ 1,000,000,000
시간 제한: 2초
입출력 예시
입력 1
3 2 3 1
출력 1
5
입력 2
4 23 7 1 5
출력 2
7
Silver III
4