int smallestRangeI(vector<int>& A, int K) { int min = INT_MAX; int max = INT_MIN; for (auto a : A) { if (min > a) { min = a; } if (max < a) { max = a; } } int dif = max - min; if (dif > 2 * K) { return dif - 2 * K; } else { return 0; } }
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