1716. 计算力扣银行的钱

地址：

1716. 计算力扣银行的钱

状态：AC

代码：

class Solution {
public:
    int totalMoney(int n) {
        int sum = 0;
        int monday = 1;
        int week = n / 7;
        while(week--){
            sum = sum + (monday + monday+6)/2 * 7;
            n = n-7;
            monday++;
        }
        while(n--){
            sum += monday++;
        }
        return sum;
    }
};