View Code #include <cstdio> int left[250003], right[250003]; __int64 count; void merge(int a[], int l, int m, int r) { int i, j, k, n1, n2; n1 = m - l + 1; n2 = r - m; for (i = 0; i < n1; i++) left[i] = a[l+i]; for (i = 0; i < n2; i++) right[i] = ... Read More
