結果
| 問題 | No.3085 Easy Problems |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2025-12-25 20:04:41 |
| 言語 | PyPy3 (7.3.17) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 892 bytes |
| 記録 | |
| コンパイル時間 | 303 ms |
| コンパイル使用メモリ | 82,572 KB |
| 実行使用メモリ | 119,388 KB |
| 最終ジャッジ日時 | 2025-12-25 20:05:17 |
| 合計ジャッジ時間 | 34,375 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 WA * 1 |
| other | AC * 1 WA * 30 |
ソースコード
from collections import defaultdict
import bisect
# Read number of problems
N = int(input())
problems = []
for _ in range(N):
A, B = map(int, input().split())
problems.append((A, B))
# Read number of people
Q = int(input())
people = []
for _ in range(Q):
X, Y = map(int, input().split())
people.append((X, Y))
# Sort problems by difficulty
problems.sort()
difficulties = [p[0] for p in problems]
# Count number of problems in each field
field_count = defaultdict(int)
for _, b in problems:
field_count[b] += 1
# Calculate easy problems for each person
results = []
for X, Y in people:
# Number of problems with difficulty <= X
total_easy = bisect.bisect_right(difficulties, X)
# Subtract problems in their weak field
easy_count = total_easy - field_count.get(Y, 0)
results.append(easy_count)
# Output results
for res in results:
print(res)