VVI

Author: Rashed112

solutions/171_excel_sheet_column_number.cpp

@@ -0,0 +1,11 @@
+class Solution {
+public:
+    int titleToNumber(string columnTitle) {
+        int res=0;
+        int n = columnTitle.size();
+        for(int i=0;i<n;i++){
+            res+=(columnTitle[i]-'A'+1)*pow(26, n-i-1);
+        }
+        return res;
+    }
+};