解题思路:
注意事项:
参考代码:
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] arr = new int[101]; for(int i = 0;i<n;i++){ int temp = sc.nextInt(); if(temp >= 0){ arr[temp]++; }else{ arr[(temp+100)]++; } } int flag = 0; int ans = 0; for(int i = 0;i<101;i++){ if(arr[i]>n/2){ if(i <= 50){ ans = i; }else{ ans = i-100; } flag = 1; break; } } if(flag == 1){ System.out.println(ans); }else{ System.out.println("no"); } } }
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