[BOJ] 너의 평점은 / 실버 5 / 20분

https://www.acmicpc.net/problem/25206

Author: YoonYn9915

YoonYn9915/implementation/2025-06-14-[백준]-#25206-너의 평점은.py

@@ -0,0 +1,13 @@
+rating = ['A+', 'A0', 'B+', 'B0', 'C+', 'C0', 'D+', 'D0', 'F']
+grade = [4.5, 4.0, 3.5, 3.0, 2.5, 2.0, 1.5, 1.0, 0]
+
+total = 0
+result = 0
+for _ in range(20):
+    s, p, g = input().split()
+    p = float(p)
+    if g != 'P':
+        total += p
+        result += p * grade[rating.index(g)]
+
+print('%.6f' % (result / total))