下列函数实现排行榜中单个元素的位置调整...while循环的条件应为?
struct Player{ int score; };
void up(Player players[], int n, int idx) {
Player cur = players[idx];
int i = idx;
while( ______ ) {
players[i] = players[i - 1];
i--;
}
players[i] = cur;
}