feat: add rust solution to lc problem: No.3432

Author: yanglbme

solution/3400-3499/3432.Count Partitions with Even Sum Difference/README.md

@@ -194,6 +194,28 @@ function countPartitions(nums: number[]): number {
 }
 ```
 
+#### Rust
+
+```rust
+impl Solution {
+    pub fn count_partitions(nums: Vec<i32>) -> i32 {
+        let mut l: i64 = 0;
+        let mut r: i64 = nums.iter().map(|&x| x as i64).sum();
+        let mut ans: i32 = 0;
+
+        for &x in nums[..nums.len() - 1].iter() {
+            l += x as i64;
+            r -= x as i64;
+            if (l - r) % 2 == 0 {
+                ans += 1;
+            }
+        }
+
+        ans
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

solution/3400-3499/3432.Count Partitions with Even Sum Difference/README_EN.md

@@ -192,6 +192,28 @@ function countPartitions(nums: number[]): number {
 }
 ```
 
+#### Rust
+
+```rust
+impl Solution {
+    pub fn count_partitions(nums: Vec<i32>) -> i32 {
+        let mut l: i64 = 0;
+        let mut r: i64 = nums.iter().map(|&x| x as i64).sum();
+        let mut ans: i32 = 0;
+
+        for &x in nums[..nums.len() - 1].iter() {
+            l += x as i64;
+            r -= x as i64;
+            if (l - r) % 2 == 0 {
+                ans += 1;
+            }
+        }
+
+        ans
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

solution/3400-3499/3432.Count Partitions with Even Sum Difference/Solution.rs

@@ -0,0 +1,17 @@
+impl Solution {
+    pub fn count_partitions(nums: Vec<i32>) -> i32 {
+        let mut l: i64 = 0;
+        let mut r: i64 = nums.iter().map(|&x| x as i64).sum();
+        let mut ans: i32 = 0;
+
+        for &x in nums[..nums.len() - 1].iter() {
+            l += x as i64;
+            r -= x as i64;
+            if (l - r) % 2 == 0 {
+                ans += 1;
+            }
+        }
+
+        ans
+    }
+}