Runtime: 134 ms (Top 52.17%) | Memory: 48.8 MB (Top 91.30%)

Author: AnasImloul

scripts/algorithms/C/Count Number of Texts/Count Number of Texts.js

@@ -1,27 +1,28 @@
+// Runtime: 134 ms (Top 52.17%) | Memory: 48.8 MB (Top 91.30%)
 var countTexts = function(pressedKeys) {
     const MOD = 1e9 + 7;
     const n = pressedKeys.length;
     const dp = new Array(n + 1).fill(0);
-    
+
     dp[0] = 1;
-    
+
     let lastChar = "";
     let repeatCount = 0;
-    
+
     for (let i = 1; i <= n; ++i) {
         const currChar = pressedKeys[i - 1];
-        
+
         if (currChar != lastChar) repeatCount = 0;
-        
+
         lastChar = currChar;
         repeatCount += 1;
-        
+
         dp[i] = (dp[i] + dp[i - 1]) % MOD;
-        
+
         if (i >= 2 && repeatCount >= 2) dp[i] = (dp[i] + dp[i - 2]) % MOD;
         if (i >= 3 && repeatCount >= 3) dp[i] = (dp[i] + dp[i - 3]) % MOD;
-        if ((currChar == "7"  || currChar == "9") && i >= 4 && repeatCount >= 4) dp[i] = (dp[i] + dp[i - 4]) % MOD;
+        if ((currChar == "7" || currChar == "9") && i >= 4 && repeatCount >= 4) dp[i] = (dp[i] + dp[i - 4]) % MOD;
      }
-    
+
     return dp[n];
-};
+};