1 min read
https://practice.geeksforgeeks.org/problems/chocolate-distribution-problem/0
Make window in sorted array, check for minimum
class Solution {
public:
long long findMinDiff(vector<long long> a, long long n, long long m) {
if (m == 0 || n == 0)
return 0;
if (n < m)
return -1;
sort(a.begin(), a.end());
long long ans = LLONG_MAX;
for (long long i = 0; i + m - 1 < n; i++) {
ans = min(ans, a[i + m - 1] - a[i]);
}
return ans;
}
};