LeetCode -- Median of Two Sorted Arrays
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求解两个有序数组的的中值，下面的方法的确巧妙：
class Solution { int findKmin(int k, int A[], int m, int B[], int n){ if(m == 0) return B[k -1]; if(n == 0) return A[k -1]; if(k == 1) return min(A[0], B[0]); if(m > n) return findKmin(k, B, n, A, m); int p = min(m, k/2), q = k - p; if(A[p - 1] <= B[q - 1]) { return findKmin(k - p, A + p, m - p, B, n); } else { return findKmin(k - q, A, m, B + q, n - q); } }public: double findMedianSortedArrays(int A[], int m, int B[], int n) { int k = m + n; if(k & 1) { return findKmin(k/2 + 1, A, m, B, n); } else { return (findKmin(k/2 , A, m, B, n) + findKmin(k/2 + 1, A, m, B, n))/2.0; } }}; 0 0
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