function sortNumber(a, b)
{ return b - a }
var arr = new Array(3)
arr[0] = "5"
arr[1] = "2"
arr[2] = "3"
var arr2=arr.sort(sortNumber);
document.write(arr2+'');
function count(c) {
for(var i=0;i<arr2.length;i++){
var result = 0;
result = result + c/arr2[i];
c = c%arr2[i];
if(c==0) {
document.write(result);
break; }
else {
if(i==arr2.length-1){
document.write('-1');
}
}
} }
count(20);
可是好气哦,我不会JAVA!!!!!
前面选择题一路蒙过来的!!!!!