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@ -152,6 +152,8 @@ public:
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for (int i = 0; i < nums.size(); i++) {
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for (int i = 0; i < nums.size(); i++) {
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sum += nums[i];
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sum += nums[i];
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}
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}
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// 也可以使用库函数一步求和
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// int sum = accumulate(nums.begin(), nums.end(), 0);
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if (sum % 2 == 1) return false;
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if (sum % 2 == 1) return false;
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int target = sum / 2;
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int target = sum / 2;
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