天啊,前边的大哥们你们都想啥呢- -!怎么会是三层循环呢?这道题应该是说只能整斤的买水果,问有多少买法。 这个题应该是两层循环,而不是三层~~~public class Fruit { public static final int orange = 1; public static final int apple = 2; public static final int peach = 5;
public static void main(String[] args) { int totalMoney = 23;
应该用常量apple的地方写错了,修改了一下,加了个买法的计数。 public class Fruit { public static final int orange = 1; public static final int apple = 2; public static final int peach = 5;
public static void main(String[] args) { int totalMoney = 23; int count = 0;
public static void main(String[] args) {
int count = 0;
for(int i = 1; i < 23/1; i++) {
for(int j = 1; j < 23/2; j++) {
for(int k = 1; k < 23/5; k++) {
if(i * 1 + j * 2 + k * 5 == 23) {
count++;
}
}
}
}
System.out.println(count);
}
}
{
public static void main(String[] args)
{
int count = 0;
for (int i = 0; i <= 23 ; i++)
{
for (int j = 0; j <= 23/2; j++)
{
for (int k = 0; k <= 23/5; k++)
{
if (i + 2 * j + 5 * k <= 23)
{
count++;
System.out.println("买法" + count + ": 桔子" + i + "斤, 苹果" + j + "斤, 水蜜桃" + k + "斤");
}
}
}
}
}
}
for(int i=1;i<23/1;i++)
{
for(int j=1;j<23/2;j++)
{
for(int k=1;k<23/5;k++)
{
if(i*1+j*2+k*5==23)
{
index++;
System.out.println("苹果"+i+"个");
System.out.println("例子"+j+"个");
System.out.println("桃子"+k+"个");
System.out.println("第"+index+"个策略");
}
}
}
}
这个题应该是两层循环,而不是三层~~~public class Fruit
{
public static final int orange = 1;
public static final int apple = 2;
public static final int peach = 5;
public static void main(String[] args)
{
int totalMoney = 23;
for (int i=0; i<=totalMoney/peach; i++)
{
for (int j=0; j<=(totalMoney-peach*i)/2; j++)
{
System.out.println("orange: " + (totalMoney-peach*i-apple*j) + "\tapple: " + j + "\tpeach: " + i);
}
}
}
}
public class Fruit
{
public static final int orange = 1;
public static final int apple = 2;
public static final int peach = 5;
public static void main(String[] args)
{
int totalMoney = 23;
int count = 0;
for (int i=0; i<=totalMoney/peach; i++)
{
for (int j=0; j<=(totalMoney-peach*i)/apple; j++)
{
System.out.println(++count +":\torange: " + (totalMoney-peach*i-apple*j) + "\tapple: " + j + "\tpeach: " + i);
}
}
}
}