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Solution.cpp
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class Solution {
public:
int minAbsoluteSumDiff(vector<int>& nums1, vector<int>& nums2) {
const int mod = 1e9 + 7;
vector<int> nums(nums1);
sort(nums.begin(), nums.end());
int s = 0, n = nums.size();
for (int i = 0; i < n; ++i) {
s = (s + abs(nums1[i] - nums2[i])) % mod;
}
int mx = 0;
for (int i = 0; i < n; ++i) {
int d1 = abs(nums1[i] - nums2[i]);
int d2 = 1 << 30;
int j = lower_bound(nums.begin(), nums.end(), nums2[i]) - nums.begin();
if (j < n) {
d2 = min(d2, abs(nums[j] - nums2[i]));
}
if (j) {
d2 = min(d2, abs(nums[j - 1] - nums2[i]));
}
mx = max(mx, d1 - d2);
}
return (s - mx + mod) % mod;
}
};