message: Update count-number-of-texts.cpp
diff: @@ -9,7 +9,7 @@ public:
  vector<int> dp(5, 1);
  for (int i = 1; i <= size(pressedKeys); ++i) {
  dp[i % 5] = 0;
  - int start = (pressedKeys[i - 1] == '7' || pressedKeys[i - 1] == '9') ? i - 4 : i - 3;
  + const int start = (pressedKeys[i - 1] == '7' || pressedKeys[i - 1] == '9') ? i - 4 : i - 3;
  for (int j = i - 1; j >= max(start, 0) && pressedKeys[j] == pressedKeys[i - 1]; --j) {
  dp[i % 5] = (dp[i % 5] + dp[j % 5]) % MOD;
  }
  