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中级

实现CPT活动日费用计算

未完成
中级参考 代码结构已给出，请填写 ____ 处 
def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    ds_csv = open_url(____).read()
    tgt_csv = open_url(____).read()
    bc_csv = open_url(____).read()
    daily_stats = pd.read_csv(StringIO(____))
    targets = pd.read_csv(StringIO(____))
    configs = pd.read_csv(StringIO(____))
    cpt_stats = daily_stats[daily_stats['____']=='____']
    CPT_PRICE = float(____)
    def calc_cpt_cost(____):
        tgts = targets_df[targets_df['____']==campaign_id]
        slot_count = len(____)
        return round(____)
    print("____"+str(____)+"____")
    for _, row in cpt_stats.head(____).iterrows():
        cost = calc_cpt_cost(____)
        print("____"+row['____']+"____"+row['____']+"____"+str(____)+"____"+str(____))
    print("____"+str(len(____)))

示例

输入
solve()
期望输出
CPT daily cost calculation (CPT price=500.0 CNY/slot):
  CMP-0013 2026-06-01 recorded_cost=2500.0 recalc_cost=2000.0
  CMP-0013 2026-06-02 recorded_cost=4000.0 recalc_cost=2000.0
  CMP-0013 2026-06-03 recorded_cost=1000.0 recalc_cost=2000.0
  CMP-0013 2026-06-04 recorded_cost=3500.0 recalc_cost=2000.0
  CMP-0013 2026-06-05 recorded_cost=1500.0 recalc_cost=2000.0
  CMP-0013 2026-06-06 recorded_cost=2000.0 recalc_cost=2000.0
  CMP-0013 2026-06-07 recorded_cost=4000.0 recalc_cost=2000.0
  CMP-0008 2026-06-01 recorded_cost=2500.0 recalc_cost=500.0
Total CPT rows: 42
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