1,输入包括两个正整数a,b(1 <= a, b <= 10^9),输入数据包括多组
输出描述:
输出a+b的结果
输入例子1:
1 5
10 20
输出例子1:
6
30
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
public class Main {
public static void main(String[] args) throws IOException {
BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
String str = "";
List<Integer> list = new ArrayList<>();
do {
str = bf.readLine();
if (str==null||str.equals("")) {
break;
}
String[] s = str.split(" ");
list.add(Integer.valueOf(s[0]));
list.add(Integer.valueOf(s[1]));
} while (str.length() != 0);
// System.out.println(list);
for (int i = 0; i < list.size()-1; i+=2) {
System.out.println(Integer.valueOf(list.get(i))+Integer.valueOf(list.get(i+1)));
}
}
}
2,输入第一行包括一个数据组数t(1 <= t <= 100) 接下来每行包括两个正整数a,b(1 <= a, b <= 10^9
输出描述:
输出a+b的结果
输入例子1:
2
1 5
10 20
输出例子1:
6
30
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
/**
* @ClassName: Main
* @Description:
* @Author 徐凯强
* @Date 2021/1/30
* @Version 1.0
*/
public class Main {
public static void main(String[] args) throws IOException {
//System.out.println("输入bai:du");
BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
String str = "";
List<Integer> list = new ArrayList<>();
do {
str = bf.readLine();
if (!str.contains(" ")){
continue;
}
if (str==null||str.equals("")) {
break;
}
String[] s = str.split(" ");
list.add(Integer.valueOf(s[0]));
list.add(Integer.valueOf(s[1]));
} while (str.length() != 0);
// System.out.println(list);
for (int i = 0; i < list.size()-1; i+=2) {
System.out.println(Integer.valueOf(list.get(i))+Integer.valueOf(list.get(i+1)));
}
}
}
。。。。。
以下变种题修改修改代码即可