import json
import random
import os

input_path = "/root/test/weitiao/data_process_bq/data3/sharegpt_h1_nam_num_nhh_len_hard_rej_think_nobitewis_valid_left5_remaining.json"
output_path_sampled = "/root/test/weitiao/data_process_bq/data3/sharegpt_h1_nam_num_nhh_len_hard_rej_think_nobitewis_valid_left5_remaining_1w.json"
output_path_remaining = "/root/test/weitiao/data_process_bq/data3/sharegpt_h1_nam_num_nhh_len_hard_rej_think_nobitewis_valid_left5_remaining.json"

N = 10000

def main():

    with open(input_path, "r", encoding="utf-8") as f:
        data = json.load(f)

    sampled = random.sample(data, N)

    sampled_set = set(id(item) for item in sampled) 
    remaining = [item for item in data if id(item) not in sampled_set]

    with open(output_path_sampled, "w", encoding="utf-8") as f:
        json.dump(sampled, f, ensure_ascii=False, indent=2)

    with open(output_path_remaining, "w", encoding="utf-8") as f:
        json.dump(remaining, f, ensure_ascii=False, indent=2)

    print(f"[INFO] Sampled {len(sampled)} items -> {output_path_sampled}")
    print(f"[INFO] Remaining {len(remaining)} items -> {output_path_remaining}")

if __name__ == "__main__":
    main()