# 输入获取
nums = list(map(int, input().split()))
k = int(input())
target = int(input())
给定一个整数数组nums、一个数字k,一个整数目标值 target,请nums中是否存在k个元素使得其相加结果为target,请输出所有符合条件且不重复的k元组的个数 数据范围
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