#include <stdio.h>
int main() {
int n,i;
__int64 a[100001];
a[1] = 2;
a[2] = 7;
for(i = 3;i <= 10000;i ++) {
a[i] = a[i-1]+2 * (2 * (i-1)+1)-1;
}
scanf("%d",&n);
while(n--) {
scanf("%d",&i);
printf("%I64d\n",a[i]);
}
return 0;
}
hdu 2050折线分割平面
最新推荐文章于 2020-10-21 16:15:13 发布