minimum-operations-to-reduce-x-to-zero

minimum-operations-to-reduce-x-to-zero/sol.rs

@@ -0,0 +1,23 @@
+impl Solution {
+    pub fn min_operations(nums: Vec<i32>, x: i32) -> i32 {
+        let target_diff = nums.iter().sum::<i32>() - x;
+        let (mut l, mut current, mut max) = (0, 0, 0);
+        let mut found = false;
+        for r in 0..nums.len() {
+            current += nums[r];
+            while l <= r && current > target_diff {
+                current -= nums[l];
+                l += 1;
+            }
+            if current == target_diff {
+                max = max.max(r - l + 1);
+                found = true;
+            }
+        }
+        if found {
+            (nums.len() - max) as i32
+        } else {
+            -1
+        }
+    }
+}