typedef struct{
    ElemType data[MaxSize];
    int length;
}SqList;
//02-01
bool del(SqList &L, ElemType &e){
    if(L.length == 0) return false; 
    e = L[0];
    int index = 0;
    ElemType last = L[L.length - 1];
    for(int i = 1; i < L.length; i ++){
        if(L[i] < e){
            e = L[i];
            index = i;
        }
    }
    L[index] = last;
    L.length --;
    return true;

}
//02-02
void redata(SqList &L){
    ElemType temp;
    for(int i = 0; i < L.length / 2; i ++){
        temp = L[i];
        L[i] = L[L.length - i - 1];
        L[L.length - i - 1] = temp;
    }
}