题解 | #Where in 和Not in#

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main{ public static void main(String[] args)throws IOException{ BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); String str; while((str = in.readLine()) != null) { int n = Integer.parseInt(str); int m = nn - n + 1; for(int i = 0;i < n;i++){ System.out.print((m + 2i)); if(i < n -1){ System.out.print("+"); }else if(i == n-1){ System.out.println(); }

    }
    }
        
}

}