java
循环
用一元人民币换成一分,两分,五分的硬币共五十枚
public class Test{
public static void main(String []args) {
int i, j, k;
for (i = 0; i < 20; i++) {//五分
for (j = 0; j < 50 - i; j++) {//两分
k = 50 - i - j;//一分
if (k + 2 * j + 5 * i == 100) {
System.out.print("一分硬币" + k + "枚,");
System.out.print("两分硬币" + j + "枚,");
System.out.println("五分硬币" + i + "枚");
}
}
}
}
}