（Java）OJ在线编程常见输入输出练习场题解汇总

清疚 2022-11-26 11:58 201阅读 0赞

题源链接： [https://ac.nowcoder.com/acm/contest/5647?from=hr\_test\#question][https_ac.nowcoder.com_acm_contest_5647_from_hr_test_question]

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**目录**

1 A+B（1）

2 A+B（2）

3 A+B（3）

4 A+B（4）

5 A+B（5）

6 A+B（6）

7 A+B（7）

8 字符串排序（1）

9 字符串排序（2）

10 字符串排序（3）

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# 1 A+B（1）  #

## ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RyaWZ0ZXJfR2FsYXh5_size_16_color_FFFFFF_t_70][] ##

import java.util.Scanner;
    
    public class Main {
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
            while(sc.hasNext()){
                int a = sc.nextInt();
                int b = sc.nextInt();
                System.out.println(a+b);
            }
        }
    }

--------------------

# 2 A+B（2）   #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RyaWZ0ZXJfR2FsYXh5_size_16_color_FFFFFF_t_70 1][]

import java.util.Scanner;
    
    public class Main {
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
            int n = sc.nextInt();
            while(n>0){
                int a = sc.nextInt();
                int b = sc.nextInt();
                System.out.println(a+b);
                n--;
            }
        }
    }

--------------------

# 3 A+B（3）   #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RyaWZ0ZXJfR2FsYXh5_size_16_color_FFFFFF_t_70 2][]

import java.util.Scanner;
    
    public class Main {
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
            while(sc.hasNext()){
                int a = sc.nextInt();
                int b = sc.nextInt();
                if(a==0 & b==0) break;
                System.out.println(a+b);
            }
        }
    }

--------------------

# 4 A+B（4）   #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RyaWZ0ZXJfR2FsYXh5_size_16_color_FFFFFF_t_70 3][]

import java.util.Scanner;
    
    public class Main {
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);        
            int len = sc.nextInt();
            while(len!=0){
                int sum = 0;
                for (int i=0;i<len;i++){
                    sum = sum + sc.nextInt();
                }
                len = sc.nextInt();
                System.out.println(sum);
            }
        }
    }

--------------------

# 5 A+B（5）  #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RyaWZ0ZXJfR2FsYXh5_size_16_color_FFFFFF_t_70 4][]

import java.util.Scanner;
    
    public class Main {
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
            int n = Integer.parseInt(sc.nextLine());
            while(n>0){
                int sum = 0;
                String a = sc.nextLine();
                String[] as = a.split(" ");
                for(int i=1;i<as.length;i++){
                    sum = sum + Integer.parseInt(as[i]);
                }
                System.out.println(sum);
                n--;
            }
        }
    }

# 6 A+B（6）  #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RyaWZ0ZXJfR2FsYXh5_size_16_color_FFFFFF_t_70 5][]

import java.util.Scanner;
    
    public class Main {
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
            while(sc.hasNextLine()){
                int sum = 0;
                String a = sc.nextLine();
                String[] as = a.split(" ");
                for(int i=1;i<as.length;i++){
                    sum = sum + Integer.parseInt(as[i]);
                }
                System.out.println(sum);
            }
        }
    }

# 7 A+B（7）  #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RyaWZ0ZXJfR2FsYXh5_size_16_color_FFFFFF_t_70 6][]

import java.util.Scanner;
    
    public class Main {
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
            while(sc.hasNextLine()){
                int sum = 0;
                String a = sc.nextLine();
                String[] as = a.split(" ");
                for(int i=0;i<as.length;i++){
                    sum = sum + Integer.parseInt(as[i]);
                }
                System.out.println(sum);
            }
        }
    }

# 8 字符串排序（1） #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RyaWZ0ZXJfR2FsYXh5_size_16_color_FFFFFF_t_70 7][]

import java.util.Scanner;
    import java.util.Arrays;
    
    public class Main {
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
            int n = Integer.parseInt(sc.nextLine());
            while(sc.hasNextLine()){
                String a = sc.nextLine();
                String[] as = a.split(" ");
                Arrays.sort(as);
                for(int i=0;i<n;i++){
                    System.out.print(as[i]+' ');
                }
    //            System.out.println(as[n-1]);
            }
        }
    }

# 9 字符串排序（2） #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RyaWZ0ZXJfR2FsYXh5_size_16_color_FFFFFF_t_70 8][]

import java.util.Scanner;
    import java.util.Arrays;
    
    public class Main {
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
            while(sc.hasNextLine()){
                String a = sc.nextLine();
                String[] as = a.split(" ");
                Arrays.sort(as);
                for(int i=0;i<as.length;i++){
                    System.out.print(as[i]+' ');
                }
                System.out.println("");
            }
        }
    }

# 10 字符串排序（3） #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RyaWZ0ZXJfR2FsYXh5_size_16_color_FFFFFF_t_70 9][]

import java.util.Scanner;
    import java.util.Arrays;
    
    public class Main {
        public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
            while(sc.hasNextLine()){
                String a = sc.nextLine();
                String[] as = a.split(",");
                Arrays.sort(as);
                for(int i=0;i<as.length-1;i++){
                    System.out.print(as[i]+',');
                }
                System.out.println(as[as.length-1]);
            }
        }
    }

[https_ac.nowcoder.com_acm_contest_5647_from_hr_test_question]: https://ac.nowcoder.com/acm/contest/5647?from=hr_test#question
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