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authorjack <[email protected]>2024-06-14 13:13:15 -0600
committerjack <[email protected]>2024-06-14 13:13:15 -0600
commitd343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa (patch)
tree96df922dae2a5073d9a50ea70c7aae6aa37e3ebe /count_and_say.cpp
downloadleetcode-d343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa.tar.gz
leetcode-d343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa.zip
initial
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-rw-r--r--count_and_say.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/count_and_say.cpp b/count_and_say.cpp
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+++ b/count_and_say.cpp
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+#include "leetcode.h"
+
+class Solution {
+public:
+ string countAndSay(int n) {
+ if (n == 0)
+ return "";
+ string ans = "1";
+ while (--n) {
+ string curr = "";
+ for (int i = 0; i < ans.size(); i++) {
+ int count = 1;
+ while ((i + 1 < ans.size()) && (ans[i] == ans[i + 1]))
+ count++, i++;
+ curr += to_string(count) + ans[i];
+ }
+ ans = curr;
+ }
+ return ans;
+ }
+};
+
+int main() {
+ Solution obj;
+ cout << obj.countAndSay(4);
+}