Example Analysis of ACwing prefix Sum
ACwing prefix and example analysis, in view of this problem, this article introduces the corresponding analysis and solution in detail, hoping to help more partners who want to solve this problem to find a more simple and easy way.
# include#include#include#includeusing namespace std;const int Numb100010 int for mash int a [N]; int s [N]; int main () {scanf ("% d% d", & n maxim); / / prefix and subscript for starting from 1 (int item1bot I)