import java.util.Scanner;
public class HomeWork2 {
public static void main(String[] args) {
int he = 0; // 时间总和
int time; //每天学习时间
Scanner input = new Scanner(System.in);
for (int i = 0; i < 5; i++) {
System.out.print("请输入周" + (i + 1) + "的学习时间:");
time = input.nextInt();
he=he+time;
}
System.out.println("周一到周五每日平均学习时间是:" + (double) he / 5);
}
}
package page_136;
public class HomeWork3 {
public static void main(String[] args) {
int x,y;
for(x=0;x<=35;x++) {
y=35-x;
if(2*x+4*y==94)
System.out.println(x+" "+y);
}
}
}
package page_136;
public class HomeWork4 {
public static void main(String[] args) {
for(int i=1;i<=100;i++) {
if(i%3==0) {
System.out.println("Flip");
}else if(i%5==0) {
System.out.println("Flop");
}else if(i%5==0&&i%3==0) {
System.out.println("FlipFlop");
}else {
System.out.println(i);
}
}
}
}
package page_136;
public class HomeWork5 {
public static void main(String[] args) {
int x; // 男人
int y; // 女人
int z; // 孩子
for (x = 0; x <= 10; x++) {
y = 20 - 2 * x;
z = 30 - x - y;
if (3 * x + 2 * y + z == 50) {
System.out.println(x + "\t" + y + "\t" + "\t" + z);
}
}
}
}