1695. 删除子数组的最大得分

src/main.rs

@@ -1,28 +1,44 @@
 use std::cmp::max;
+use std::collections::HashMap;
 
 struct Solution;
 impl Solution {
-    pub fn count_days(mut days: i32, mut meetings: Vec<Vec<i32>>) -> i32 {
-        meetings.sort_by(|a, b| a[0].cmp(&b[0]));
+    pub fn maximum_unique_subarray(nums: Vec<i32>) -> i32 {
+        let mut map: HashMap<i32, usize> = HashMap::new();
         let mut ans = 0;
-        let mut last_end = 1;
-        for c in meetings.iter() {
-            if last_end >= c[0] {
-                last_end = max(last_end, c[1] + 1);
-                continue;
+        for i in  0..nums.len() {
+            if map.contains_key(&nums[i]) {
+                let l = i - map.len();
+                let r = i;
+                let mut temp = 0;
+                let mut j = l;
+                while j < r {
+                    temp += nums[j];
+                    j+=1;
                 }
-            ans += c[0] - last_end;
-            last_end = c[1] + 1;
+                ans = max(ans, temp);
+                j = l;
+                while nums[j] != nums[i] {
+                    map.remove(&nums[j]);
+                    j += 1;
                 }
-        days += 1;
-        if days > last_end {
-            ans += days - last_end;
+                map.insert(nums[i], i);
             }
-        ans
+            else {
+                map.insert(nums[i], i);
+            }
+        }
+        let mut temp = 0;
+        let mut j = nums.len() - map.len();
+        while j < nums.len() {
+            temp += nums[j];
+            j += 1;
+        }
+        max(ans, temp)
     }
 }
 
 fn main() {
-    let sl = Solution::count_days(10, vec![vec![5, 7], vec![1, 3], vec![9, 10]]);
+    let sl = Solution::maximum_unique_subarray(vec![4,2,4,5,6]);
     println!("{}", sl);
 }