25 lines
485 B
C++
25 lines
485 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int t;
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cin >> t;
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while (t--) {
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int n;
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cin >> n;
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vector<int> nums(n);
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for (int i = 0; i < n; i++)
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cin >> nums[i];
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sort(nums.begin(), nums.end());
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int minDiff = numeric_limits<int>::min();
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for (int i = 1; i < n; i+=2) {
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minDiff = max(minDiff, nums[i] - nums[i - 1]);
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}
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cout << minDiff << endl;
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}
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return 0;
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} |