feat: 2348_number_of_zero_filled_subarrays

2348_number_of_zero_filled_subarrays/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "number_of_zero_filled_subarrays"
+version = "0.1.0"

2348_number_of_zero_filled_subarrays/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "number_of_zero_filled_subarrays"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

2348_number_of_zero_filled_subarrays/src/lib.rs

@@ -0,0 +1,20 @@
+pub struct Solution;
+
+impl Solution {
+    pub fn zero_filled_subarray(mut nums: Vec<i32>) -> i64 {
+        let mut result = 0i64;
+
+        let mut continuous_count = 0i64;
+        nums.push(1);
+        for num in nums {
+            if num == 0 {
+                continuous_count += 1;
+            } else {
+                result += (1 + continuous_count) * continuous_count / 2;
+                continuous_count = 0;
+            }
+        }
+
+        result
+    }
+}