z字形

whylisa · whylisa · commit dee4f2a1e77f · 2020-06-11T22:21:12.000+08:00
diff --git a/z字形变换.html b/z字形变换.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+	<head>
+		<meta charset="UTF-8">
+		<title></title>
+	</head>
+	<body>
+		<script type="text/javascript">
+			/**
+ * @param {string} s
+ * @param {number} n
+ * @return {string}
+ */
+var convert = function(s, n) {
+let res='';
+  let len=s.length;
+  if(n==1) return s;
+  for(let i=0;i<n;i++){
+      if(i==0 || i==n-1){
+         for(let j=i;j<len;j+=2*n-2){
+             res+=s.charAt(j);
+         }
+      }else{
+          for(let j=i,k=2*n-2-i;j<len || k<len;j+=2*n-2,k+=2*n-2){
+              if(j<len) res+=s.charAt(j);
+              if(k<len) res+=s.charAt(k);
+          }
+      }
+  }
+  return res;
+};
+		</script>
+	</body>
+</html>
diff --git a/计算子串代码.js b/计算子串代码.js
@@ -0,0 +1,21 @@
+childrenString (str) {
+	let match = (str) => {
+		let j = str.match(/^(0+|1+)/)[0]
+		let o = (j[0] ^ 1).toString().repeat(j.length)
+		let reg = new RegExp(`^(${j}${o})`)
+		if(reg.test(str)) {
+			return RegExp.$1
+		}else {
+			return ''
+		}
+	}
+	let r = []
+	for(let i = 0,len = str.length-1;i<len;i++) {
+		let sub = match(str.slice(i)))
+		if(sub) {
+			r.push(sub)
+		}
+	}
+	cehsicehih
+	return r
+}
