Create 1769. Minimum Number of Operations to Move All Balls to Each Box (#683)

Author: Chayandas07

1769. Minimum Number of Operations to Move All Balls to Each Box

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+class Solution {
+public:
+    vector<int> minOperations(string boxes) {
+        int n = boxes.size();
+        vector<int> answer(n, 0);
+
+        int ballsToLeft = 0, movesToLeft = 0;
+        int ballsToRight = 0, movesToRight = 0;
+
+        // Single pass: calculate moves from both left and right
+        for (int i = 0; i < n; i++) {
+            // Left pass
+            answer[i] += movesToLeft;
+            ballsToLeft += boxes[i] - '0';
+            movesToLeft += ballsToLeft;
+
+            // Right pass
+            int j = n - 1 - i;
+            answer[j] += movesToRight;
+            ballsToRight += boxes[j] - '0';
+            movesToRight += ballsToRight;
+        }
+
+        return answer;
+    }
+};