題目省略...
public class ex4_10{
public static void main(String[] argv){
int i = (15*60+20)-(10*60+23);
int j = (i-240)/30*60;
int k = 40*4;
int l = 30*4;
System.out.println("共需"+(j+k+l)+"元");
}
}
public class ex4_10{
public static void main(String[] argv){
int i = (15*60+20)-(10*60+23);
int j = (i-240)/30*60;
int k = 40*4;
int l = 30*4;
System.out.println("共需"+(j+k+l)+"元");
}
}
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