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| 1 | +#include <bits/stdc++.h> |
| 2 | +using namespace std; |
| 3 | +int maxSortedAdjacentDiff(int* arr, int n) |
| 4 | +{ |
| 5 | +int maxVal = arr[0], minVal = arr[0]; |
| 6 | +for (int i = 1; i < n; i++) { |
| 7 | +maxVal = max(maxVal, arr[i]); |
| 8 | +minVal = min(minVal, arr[i]); |
| 9 | +} |
| 10 | +int maxBucket[n - 1]; |
| 11 | +int minBucket[n - 1]; |
| 12 | +fill_n(maxBucket, n - 1, INT_MIN); |
| 13 | +fill_n(minBucket, n - 1, INT_MAX); |
| 14 | +float delta = (float)(maxVal - minVal) / (float)(n - 1); |
| 15 | +for (int i = 0; i < n; i++) { |
| 16 | +if (arr[i] == maxVal || arr[i] == minVal) |
| 17 | +continue; |
| 18 | +int index = (float)(floor(arr[i] - minVal) / delta); |
| 19 | +maxBucket[index] = max(maxBucket[index], arr[i]); |
| 20 | +minBucket[index] = min(minBucket[index], arr[i]); |
| 21 | +} |
| 22 | +int prev_val = minVal; |
| 23 | +int max_gap = 0; |
| 24 | +for (int i = 0; i < n - 1; i++) { |
| 25 | +if (minBucket[i] == INT_MAX) |
| 26 | +continue; |
| 27 | +max_gap = max(max_gap, minBucket[i] - prev_val); |
| 28 | +prev_val = maxBucket[i]; |
| 29 | +} |
| 30 | +max_gap = max(max_gap, maxVal - prev_val); |
| 31 | + |
| 32 | +return max_gap; |
| 33 | +} |
| 34 | +int main() |
| 35 | +{ |
| 36 | +int n; |
| 37 | +cin>>n; |
| 38 | +int arr[n]; |
| 39 | +for (int i=0;i<n;i++) |
| 40 | +{ |
| 41 | +cin>>arr[i]; |
| 42 | +} |
| 43 | +cout << maxSortedAdjacentDiff(arr, n) << endl; |
| 44 | +return 0; |
| 45 | +} |
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