Create 2028. Find Missing Observations

2028. Find Missing Observations

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+class Solution {
+public:
+    vector<int> missingRolls(vector<int>& rolls, int mean, int n) {
+        vector<int> ans;
+        int m=rolls.size();
+        int a=(n+m)*mean;
+        int sum=0;
+        for(auto num:rolls){
+            sum+=num;
+        }
+        int target=a-sum;
+        if(target<=0 || n>target || target>6*n){
+            return ans;
+        }
+        cout<<target<<endl;
+        for(int i=0;i<n;i++){
+
+            for(int j=6;j>=1;j--){
+                 int local=target;
+                local-=j;
+                if(local>=n-1-i){
+                    target=target-j;
+                    ans.push_back(j);
+                    break;
+                }
+            }
+
+        }
+       return ans;
+    }
+};