题解 | #尼科彻斯定理#
尼科彻斯定理
https://www.nowcoder.com/practice/dbace3a5b3c4480e86ee3277f3fe1e85
import java.util.Scanner;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int a = scan.nextInt();
int num = a * a - a + 1;
List<Integer> numList = new ArrayList<>();
numList.add(num);
for (int b = 1; b < a; b++) {
num = num + 2;
numList.add(num);
}
for (int i = 0; i < numList.size(); i++) {
if (i == numList.size() - 1) {
System.out.print(numList.get(i));
} else {
System.out.print(numList.get(i) + "+");
}
}
}
}
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