Create 3335. Total Characters in String After Transformations I (#793)

Author: Chayandas07

3335. Total Characters in String After Transformations I

@@ -0,0 +1,26 @@
+class Solution {
+public:
+    int mod=1e9+7;
+    int lengthAfterTransformations(string s, int t) {
+        vector<long long>cnt(26,0);
+        for(char ch:s)cnt[ch-'a']++;
+        while(t--){
+        vector<long long>updated(26,0);
+        for(int i=0;i<26;i++){
+            if(i==25){
+                updated[0]=(updated[0]+cnt[i])%mod;
+                updated[1]=(updated[1]+cnt[i])%mod;
+            }
+            else{
+                updated[i+1]=(updated[i+1]+cnt[i])%mod;
+            }
+        }
+        cnt=updated;
+        }
+        long long ans=0;
+        for(auto c:cnt){
+            ans=(ans+c)%mod;
+        }
+        return (int)ans;
+    }
+};