题解 | #牛牛学数列3#
牛牛学数列3
https://www.nowcoder.com/practice/f65c726d081c4160a9356eabf0dc21d9
#include <stdio.h>
int main() {
int n = 0;
scanf("%d", &n);
int i = 0;
int j = 0;
double s = 0;
double sum = 0;
for (i = 1; i <= n; i++) {
if (i % 2 == 0) {
s = 1.0 / -i;
} else
s = 1.0 / i;
sum += s;
}
printf("%.3lf", sum);
return 0;
}
，我前两天刚拿了一个11k，笔试完第2天就打电话了，非科班。坏消息是c++岗开这么低真是刷新认知了
投递百度等公司10个岗位