5.8.2

KYOSG · KYOSG · commit d06c8eb80942 · 2021-05-08T19:13:12.000+08:00
diff --git a/.DS_Store b/.DS_Store
diff --git a/Java Experiments/.DS_Store b/Java Experiments/.DS_Store
diff --git a/Java Experiments/A/.DS_Store b/Java Experiments/A/.DS_Store
diff --git a/Java Experiments/A/A+B Problem.java b/Java Experiments/A/A+B Problem.java
@@ -0,0 +1,14 @@
+import java.util.Scanner;
+
+public class Main
+{
+    public static void main(String [] args)
+    {
+        Scanner Data = new Scanner(System.in);
+        int a,b;
+        a=Data.nextInt();
+        b= Data.nextInt();
+        System.out.printf("%d",a+b);
+        Data.close();
+    }
+}
diff --git a/Java Experiments/A/A+B for Input-Output Practice (I).java b/Java Experiments/A/A+B for Input-Output Practice (I).java
@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class Main
+{
+    public static void main(String [] args)
+    {
+        Scanner Data = new Scanner(System.in);
+        int a,b;
+
+        while(Data.hasNextInt())
+        {
+            a=Data.nextInt();
+            b=Data.nextInt();
+
+            System.out.printf("%d\n",a+b);
+        }
+    }
+}
diff --git a/Java Experiments/A/A+B for Input-Output Practice (III).java b/Java Experiments/A/A+B for Input-Output Practice (III).java
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class Main
+{
+    public static void main(String [] args)
+    {
+        Scanner Data = new Scanner(System.in);
+
+        int n,a,b;
+
+        n=Data.nextInt();
+        while(n!=0)
+        {
+            a=Data.nextInt();
+            b=Data.nextInt();
+
+            System.out.printf("%d\n",a+b);
+            n--;
+        }
+    }
+}
diff --git a/Java Experiments/A/A+B for Input-Output Practice (IV).java b/Java Experiments/A/A+B for Input-Output Practice (IV).java
@@ -0,0 +1,27 @@
+import java.util.*;
+
+public class Main
+{
+    public static void main(String [] args)
+    {
+        Scanner Data = new Scanner(System.in);
+
+        int n,a;
+        int sum;
+        while(true)
+        {
+            sum=0;
+            n=Data.nextInt();
+            if(n==0)
+                break;
+
+            while(n!=0)
+            {
+                a=Data.nextInt();
+                sum+=a;
+                n--;
+            }
+            System.out.printf("%d\n",sum);
+        }
+    }
+}
diff --git a/Java Experiments/A/A+B for Input-Output Practice (V).java b/Java Experiments/A/A+B for Input-Output Practice (V).java
@@ -0,0 +1,30 @@
+import java.util.*;
+
+public class Main
+{
+    public static void main(String [] args)
+    {
+        Scanner Data = new Scanner(System.in);
+
+        int n, a;
+        int sum;
+
+        int N;
+
+        N=Data.nextInt();
+
+        while(N!=0)
+        {
+            sum=0;
+            n=Data.nextInt();
+            while(n!=0)
+            {
+                a=Data.nextInt();
+                sum+=a;
+                n--;
+            }
+            System.out.printf("%d\n",sum);
+            N--;
+        }
+    }
+}
diff --git a/Java Experiments/A/A+B for Input-Output Practice (VI).java b/Java Experiments/A/A+B for Input-Output Practice (VI).java
@@ -0,0 +1,25 @@
+import java.util.Scanner;
+
+public class Main
+{
+    public static void main(String [] args)
+    {
+        Scanner Data = new Scanner(System.in);
+
+        int n, a;
+        int sum;
+
+        while(Data.hasNextInt())
+        {
+            sum=0;
+            n=Data.nextInt();
+            while(n!=0)
+            {
+                a=Data.nextInt();
+                sum+=a;
+                n--;
+            }
+            System.out.printf("%d\n",sum);
+        }
+    }
+}
diff --git a/Java Experiments/A/A+B for Input-Output Practice (VII).java b/Java Experiments/A/A+B for Input-Output Practice (VII).java
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class Main
+{
+    public static void main(String [] args)
+    {
+        Scanner Data = new Scanner(System.in);
+
+        int a,b;
+
+        while(Data.hasNextInt())
+        {
+            a=Data.nextInt();
+            b=Data.nextInt();
+
+            System.out.printf("%d\n\n",a+b);
+        }
+    }
+}
diff --git a/Java Experiments/A/A+B for Input-Output Practice.java b/Java Experiments/A/A+B for Input-Output Practice.java
@@ -0,0 +1,51 @@
+/*
+Input
+Input contains an integer N in the first line, and then N lines follow. Each line starts with a integer M, and then M integers follow in the same line
+Output
+For each group of input integers you should output their sum in one line, and you must note that there is a blank line between outputs.
+Sample
+Input
+3
+4 1 2 3 4
+5 1 2 3 4 5
+3 1 2 3
+Output
+10
+
+15
+
+6
+ */
+
+import java.util.Scanner;
+
+public class Main
+{
+    public static void main(String[] args)
+    {
+        Scanner in = new Scanner(System.in);
+
+        int N;
+        N = in.nextInt();
+
+        int M;
+        int sum;
+        int t;
+
+        while(N>0)
+        {
+            sum=0;
+            M=in.nextInt();
+            while(M>0)
+            {
+                t=in.nextInt();
+                sum+=t;
+                M--;
+            }
+            System.out.printf("%d\n\n",sum);
+            N--;
+        }
+
+
+    }
+}
diff --git a/Java Experiments/A/Hello World!.java b/Java Experiments/A/Hello World!.java
@@ -0,0 +1,7 @@
+public class Main
+{
+    public static void main(String [] args)
+    {
+        System.out.print("Hello World!\n");
+    }
+}
diff --git a/Java Experiments/A/格式化输出（常量练习）.java b/Java Experiments/A/格式化输出（常量练习）.java
@@ -0,0 +1,34 @@
+/*
+Description
+用c语言的基本输出格式打印下列内容:
+100
+A
+3.140000
+
+Input
+本题目没有输入数据
+
+Output
+输出三行数据：
+100
+A
+3.140000
+
+Sample
+Output
+100
+A
+3.140000
+*/
+public class Main
+{
+    public static void main(String [] args)
+    {
+        int a=100;
+        char c='A';
+        double f=3.140000;
+        System.out.printf("%d\n",a);
+        System.out.printf("%c\n",c);
+        System.out.printf("%f\n",f);
+    }
+}
diff --git a/Java Experiments/A/洗衣服.java b/Java Experiments/A/洗衣服.java
@@ -0,0 +1,31 @@
+/*
+Description
+X是一个勤劳的小孩，总是会帮助大人做家务。现在他想知道对于一根长为L的绳子能晾开多少件宽为W的衣服，显然这些衣服不能相互叠压。
+Input
+ 多组输入。
+每组输入两个整数L,W。
+Output
+ 输出答案。
+Sample
+Input
+10 5
+10 4
+Output
+2
+2
+ */
+import java.util.Scanner;
+public class Main
+{
+    public static void main(String [] args)
+    {
+        Scanner in = new Scanner(System.in);
+        int L,W;
+        while(in.hasNextInt())
+        {
+            L=in.nextInt();
+            W=in.nextInt();
+            System.out.printf("%d\n",L/W);
+        }
+    }
+}
diff --git a/Java Experiments/A/火车.java b/Java Experiments/A/火车.java
@@ -0,0 +1,31 @@
+import java.util.Scanner;
+
+public class Main
+{
+    public static void main(String [] args)
+    {
+        int T,n,a,b;
+        int max,temp;
+        Scanner in =new Scanner(System.in);
+        T=in.nextInt();
+
+        while(T!=0)
+        {
+            max=0;
+            temp=0;
+            n=in.nextInt();
+            while(n!=0)
+            {
+                a=in.nextInt();
+                b=in.nextInt();
+                temp=temp-a+b;
+                if(max<temp)
+                    max=temp;
+                n--;
+            }
+            System.out.println(max);
+            System.out.println();
+            T--;
+        }
+    }
+}
diff --git a/Java Experiments/A/逆置正整数.java b/Java Experiments/A/逆置正整数.java
@@ -0,0 +1,34 @@
+/*
+Description
+输入一个三位正整数，将它反向输出。
+
+Input
+3位正整数。
+
+Output
+逆置后的正整数。
+
+Sample
+Input
+123
+Output
+321
+Hint
+注意130逆置后是31
+ */
+import java.util.Scanner;
+
+public class Main
+{
+    public static void main(String [] args)
+    {
+        Scanner in = new Scanner(System.in);
+        int n=in.nextInt();
+        int a=n/100;
+        int b=n/10-a*10;
+        int c=n-a*100-b*10;
+        int d=c*100+b*10+a;
+
+        System.out.printf("%d\n",d);
+    }
+}
