[오늘의 알고리즘] 성적 평균

Author: unknown

yongjun-0903/성적 평균.py

@@ -0,0 +1,8 @@
+import sys
+
+N, k = map(int, sys.stdin.readline().split())
+scores = list(map(int, sys.stdin.readline().split()))
+for _ in range(k):
+    start, end = map(int, sys.stdin.readline().split())
+    mean = sum(scores[start - 1:end]) / (end - start + 1)
+    print(f"{mean:.2f}")