var StockSpanner = function() {
    // 存储股票跨度
    this.spanner = []
    // 存储股票价格
    this.stockPrice = []
};

/** 
 * @param {number} price
 * @return {number}
 */
StockSpanner.prototype.next = function(price) {
    // 对于第一天进行特殊判断
    if(!this.spanner.length){
        this.spanner.push(1)
        this.stockPrice.push(price)
        // 直接返回1
        return 1
    }
    let cnt = 0
    let idx = this.stockPrice.length-1
    while(price >= this.stockPrice[idx] && idx>=0){
        cnt += this.spanner[idx]
        idx -= this.spanner[idx]
    }
    // 加上本身
    cnt++
    // 进行更新操作，将当前股票价格和跨度入栈
    this.spanner.push(cnt)
    this.stockPrice.push(price)
    return cnt
};