题解 | #尼科彻斯定理#
尼科彻斯定理
https://www.nowcoder.com/practice/dbace3a5b3c4480e86ee3277f3fe1e85
#include <stdio.h>
int main() {
int n;
while (scanf("%d", &n) != EOF)
{
int ret = n * n - n + 1;
printf("%d", ret);
for (int i = 1; i < n; i++)
{
printf("+%d", ret + 2 * i);
}
}
return 0;
}
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