Merge pull request #78 from InflixOP/patch1

Patch1

Author: InflixOP

#1248. Count Number of Nice Subarrays.cpp

@@ -0,0 +1,23 @@
+class Solution {
+    public:
+        int numberOfSubarrays(vector<int>& nums, int k) {
+            return help(nums,k)-help(nums,k-1);
+        }
+        int help(vector<int>& nums, int k){
+            int n=nums.size();
+            int l=0,r=0;
+            int c=0;
+            int odd=0;
+            while(r<n){
+                odd+=(nums[r]%2);
+                while(odd>k){
+                        odd-=(nums[l]%2);
+                        l++;
+                }
+                    c+=(r-l+1);
+                r++;
+            }
+            return c;
+        }
+    };
+    

#1423. Maximum Points You Can Obtain from Cards.cpp

@@ -0,0 +1,21 @@
+class Solution {
+    public:
+        int maxScore(vector<int>& vec, int k) {
+            int l=0;
+            int n=vec.size();
+            for(int i=0;i<k;i++){
+                l+=vec[i];
+            }
+            int maxi=0;
+            int r=0;
+            int i=1;
+            while(i<=k){
+                maxi=max(maxi,l+r);
+                l-=vec[k-i];
+                r+=vec[n-i];
+                i++;
+            }
+            maxi=max(maxi,l+r);
+            return maxi;
+        }
+    };