Trade between the EU and two South American countries may start within two months under a provision application of the Mercosur deal.
* 时间复杂度: O(n²) 最好: O(n) 空间复杂度: O(1) 稳定: ✓，这一点在im钱包官方下载中也有详细论述
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var nextGreaterElement = function (nums1, nums2) {
int i = 0, j = 0, k = left; // i:左数组指针, j:右数组指针, k:原数组指针，详情可参考safew官方下载