modify code

src/class45/Code01_InsertS2MakeMostAlphabeticalOrder.java

@@ -243,9 +243,10 @@ public class Code01_InsertS2MakeMostAlphabeticalOrder {
 			}
 		}
 		System.out.println("功能测试结束");
+
 		System.out.println("==========");
-		System.out.println("性能测试开始");
 
+		System.out.println("性能测试开始");
 		int s1Len = 1000000;
 		int s2Len = 500;
 		String s1 = randomNumberString(s1Len, range);

src/class45/Code02_CreateMaximumNumber.java

@@ -12,6 +12,8 @@ public class Code02_CreateMaximumNumber {
 		int[] res = new int[k];
 		int[][] dp1 = getdp(nums1); // 生成dp1这个表，以后从nums1中，只要固定拿N个数，
 		int[][] dp2 = getdp(nums2);
+		// get1 从arr1里拿的数量
+		// K - get1 从arr2里拿的数量
 		for (int get1 = Math.max(0, k - len2); get1 <= Math.min(k, len1); get1++) {
 			// arr1 挑 get1个，怎么得到一个最优结果
 			int[] pick1 = maxPick(nums1, dp1, get1);
@@ -223,7 +225,6 @@ public class Code02_CreateMaximumNumber {
 		int pick = arr.length + 1; // 1 ~ N
 		int[][] dp = new int[size][pick];
 		// get 不从0开始，因为拿0个无意义
-		// get 1
 		for (int get = 1; get < pick; get++) { // 1 ~ N
 			int maxIndex = size - get;
 			// i~N-1

src/class45/Code03_LongestCommonSubstringConquerByHeight.java

@@ -78,9 +78,9 @@ public class Code03_LongestCommonSubstringConquerByHeight {
 		int[] height = dc3.height;
 		int ans = 0;
 		for (int i = 1; i < n; i++) {
-			int up = sa[i - 1];
+			int Y = sa[i - 1];
-			int down = sa[i];
+			int X = sa[i];
-			if (Math.min(up, down) < N && Math.max(up, down) > N) {
+			if (Math.min(X, Y) < N && Math.max(X, Y) > N) {
 				ans = Math.max(ans, height[i]);
 			}
 		}
@@ -213,6 +213,7 @@ public class Code03_LongestCommonSubstringConquerByHeight {
 		private int[] height(int[] s) {
 			int n = s.length;
 			int[] ans = new int[n];
+			// 依次求h[i] , k = 0
 			for (int i = 0, k = 0; i < n; ++i) {
 				if (rank[i] != 0) {
 					if (k > 0) {
@@ -222,6 +223,7 @@ public class Code03_LongestCommonSubstringConquerByHeight {
 					while (i + k < n && j + k < n && s[i + k] == s[j + k]) {
 						++k;
 					}
+					// h[i] = k
 					ans[rank[i]] = k;
 				}
 			}

src/class47/Code03_MaxSumLengthNoMore.java

@@ -1,10 +1,10 @@
-package class45;
+package class47;
 
 import java.util.LinkedList;
 
 // 给定一个数组arr，和一个正数M
 // 返回在子数组长度不大于M的情况下，最大的子数组累加和
-public class Code04_MaxSumLengthNoMore {
+public class Code03_MaxSumLengthNoMore {
 
 	// O(N^2)的解法，暴力解，用作对数器
 	public static int test(int[] arr, int M) {