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1부터 N까지 합
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Time Limit: 1000 ms
Memory Limit: 128 MB
Bronze V
1
Author: 시스템
Python 3
Week 1
55
입력 2
1
출력 2
1
힌트
for
문과
range()
를 쓰거나, 공식
N
(
N
+
1
)
2
\frac{N(N+1)}{2}
2
N
(
N
+
1
)
을 쓸 수 있다.
1부터 N까지 합 구하기
Silver V
3