添加 0134.加油站 Rust版本

添加 0134.加油站 Rust版本

problems/0134.加油站.md

@@ -406,6 +406,55 @@ function canCompleteCircuit(gas: number[], cost: number[]): number {
 };
 ```
 
+### Rust
+
+贪心算法：方法一
+
+```Rust
+impl Solution {
+    pub fn can_complete_circuit(gas: Vec<i32>, cost: Vec<i32>) -> i32 {
+        let mut cur_sum = 0;
+        let mut min = i32::MAX;
+        for i in 0..gas.len() {
+            let rest = gas[i] - cost[i];
+            cur_sum += rest;
+            if cur_sum < min { min = cur_sum; }
+        }
+        if cur_sum < 0 { return -1; }
+        if min > 0 { return 0; }
+        for i in (0..gas.len()).rev() {
+            let rest = gas[i] - cost[i];
+            min += rest;
+            if min >= 0 { return i as i32; }
+        }
+        -1
+    }
+}
+```
+
+贪心算法：方法二
+
+```Rust
+impl Solution {
+    pub fn can_complete_circuit(gas: Vec<i32>, cost: Vec<i32>) -> i32 {
+        let mut cur_sum = 0;
+        let mut total_sum = 0;
+        let mut start = 0;
+        for i in 0..gas.len() {
+            cur_sum += gas[i] - cost[i];
+            total_sum += gas[i] - cost[i];
+            if cur_sum < 0 {
+                start = i + 1;
+                cur_sum = 0;
+            }
+        }
+        if total_sum < 0 { return -1; }
+        start as i32
+    }
+}
+```
+
+
 ### C 
 
 贪心算法：方法一