题解 | #等差数列#4行代码
等差数列
https://www.nowcoder.com/practice/f792cb014ed0474fb8f53389e7d9c07f
#include <stdio.h>
int main() {
int num;
scanf("%d", &num);
int ret = num * 2 + num * (num - 1) * 3 / 2;
printf("%d", ret);
return 0;
}
等差数列
https://www.nowcoder.com/practice/f792cb014ed0474fb8f53389e7d9c07f
#include <stdio.h>
int main() {
int num;
scanf("%d", &num);
int ret = num * 2 + num * (num - 1) * 3 / 2;
printf("%d", ret);
return 0;
}
相关推荐
用微笑面对困难:我滴妈,【俩月】【实习】【主管】仨debuff吃满了,独立设计开发的项目写了绝大占比的运营板块,你独立开发,那维护、问题复盘、日志更新、bug、策划书全是自己整的?