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思路呢?
暴力代码AC了 import java.util.Scanner; public class didi_2 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] nums = new int[n]; for (int i = 0 ; i < n ; i++){ nums[i] = sc.nextInt(); } boolean flag = false; int sum = 0; for (int i = 0 ; i < n ; i++){ sum += nums[i]; if(nums[i]<0) flag = true; } int max = sum; if (flag){ int m = 2; while (m<n/2){ if (n%m == 0){ for(int i = 0 ; i < m ; i++){ int temp = 0; for(int j = i ; j < n ; j += m){ temp += nums[j]; } if (temp > max) max = temp; } } m++; } } System.out.println(max); } }
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学而思
| 校招
| 19个岗位
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