Create 134. Gas Station

Author: khushi3004

134. Gas Station

@@ -0,0 +1,19 @@
+class Solution {
+    public int canCompleteCircuit(int[] gas, int[] cost) {
+        int position =0 , sum =0 , total =0;
+        
+        for(int index=0;index<gas.length;index++){
+            sum += gas[index] - cost[index];
+            
+            if(sum<0){
+                total+=sum;
+                sum=0;
+                position = index+1;
+            }
+        }
+        
+        total += sum;
+        
+        return total>=0?position:-1;
+    }
+}