add: 220127-CN

2201/220127-CN.cpp

@@ -0,0 +1,33 @@
+#include <string>
+#include <cctype>
+
+class Solution {
+private:
+	static bool isOK(const std::string& t) {
+		if (t.empty() || t.front() == '-' || t.back() == '-')
+			return false;
+		if (t.length() > 1 && (t.front() == '!' || t.front() == '.' || t.front() == ','))
+			return false;
+		if (std::count_if(t.begin(), t.end(), [](char ch){ return std::isdigit(ch); }))
+			return false;
+		if (std::count_if(t.begin(), t.end() - 1, [](char ch) { return ch == '!' || ch == '.' || ch == ','; }))
+			return false;
+		if (std::count_if(t.begin(), t.end() - 1, [](char ch) { return ch == '-'; }) > 1)
+			return false;
+		int pos = t.find('-');
+		return pos == -1 || (std::isalpha(t[pos - 1]) && std::isalpha(t[pos + 1]));
+	};
+public:
+	static int countValidWords(std::string sentence) {
+		int ret = 0;
+		for (int pos; (pos = sentence.find(' ')) != -1; sentence.erase(0, sentence.find_first_not_of(' ', pos))) {
+			ret += isOK(sentence.substr(0, pos));
+		}
+		return ret + isOK(sentence);
+	}
+};
+
+int main() {
+	std::printf("%d\n", Solution::countValidWords(" 62   nvtk0wr4f  8 qt3r! w1ph 1l ,e0d 0n 2v 7c.  n06huu2n9 s9   ui4 nsr!d7olr  q-, vqdo!btpmtmui.bb83lf g .!v9-lg 2fyoykex uy5a 8v whvu8 .y sc5 -0n4 zo pfgju 5u 4 3x,3!wl  fv4   s  aig cf j1 a i  8m5o1  !u n!.1tz87d3 .9    n a3  .xb1p9f  b1i a j8s2 cugf l494cx1! hisceovf3 8d93 sg 4r.f1z9w   4- cb r97jo hln3s h2 o .  8dx08as7l!mcmc isa49afk i1 fk,s e !1 ln rt2vhu 4ks4zq c w  o- 6  5!.n8ten0 6mk 2k2y3e335,yj  h p3 5 -0  5g1c  tr49, ,qp9 -v p  7p4v110926wwr h x wklq u zo 16. !8  u63n0c l3 yckifu 1cgz t.i   lh w xa l,jt   hpi ng-gvtk8 9 j u9qfcd!2  kyu42v dmv.cst6i5fo rxhw4wvp2 1 okc8!  z aribcam0  cp-zp,!e x  agj-gb3 !om3934 k vnuo056h g7 t-6j! 8w8fncebuj-lq    inzqhw v39,  f e 9. 50 , ru3r  mbuab  6  wz dw79.av2xp . gbmy gc s6pi pra4fo9fwq k   j-ppy -3vpf   o k4hy3 -!..5s ,2 k5 j p38dtd   !i   b!fgj,nx qgif "));
+	return 0;
+}

2201/CMakeLists.txt

@@ -3,4 +3,4 @@ PROJECT(2201)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2201 220126.cpp)
+ADD_EXECUTABLE(2201 220127-CN.cpp)