信奥赛CSP-J复赛集训（DP专题）（4）：[USACO11JAN] Profits S题目描述The cows have opened a new business, and Farmer John wants to see how well they are doing. The business has been running for N (1 = N = 100,000) days, and every day i the cows recorded their net profit P_i (-1,000 = P_i = 1,000).Farmer John wants to find the largest total profit that the cows have made during any consecutive time period. (Note that a consecutive time period can range in length from one day through N days.) Help him by writing a program to calculate the largest sum of consecutive profits.奶牛们开始了新的生意