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View Compilation Error

0_0_38446403_28024\Main.java:28: 错误: 找不到符号
        Arrays.sort(rats,1,n+1,(o1,o2)->o1.w == o2.w?o2.s-o1.s:o1.w-o2.w);
                           ^
  符号:   变量 n
  位置: 类 Main
0_0_38446403_28024\Main.java:32: 错误: 找不到符号
        for(int i = 1;i<=n;i++){
                         ^
  符号:   变量 n
  位置: 类 Main
0_0_38446403_28024\Main.java:43: 错误: 找不到符号
        int r = n;
                ^
  符号:   变量 n
  位置: 类 Main
3 个错误


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