Create number-of-lines-to-write-string.cpp

Author: kamyu104

C++/number-of-lines-to-write-string.cpp

@@ -0,0 +1,19 @@
+// Time:  O(n)
+// Space: O(1)
+
+class Solution {
+public:
+    vector<int> numberOfLines(vector<int>& widths, string S) {
+        vector<int> result(2);
+        result.front() = 1;
+        for (const auto& c : S) {
+            const auto& w = widths[c - 'a'];
+            result.back() += w;
+            if (result.back() > 100) {
+                ++result.front();
+                result.back() = w;
+            }
+        }
+        return result;
+    }
+};