C代码和运行结果如下：输出符合样例，望采纳~附源码：#include int main() {double s = 0;int i, sign
C代码和运行结果如下：
输出符合样例，望采纳~
附源码：
#include <stdio.h>
int main() {
double s = 0;
int i, sign = 1; // sign表示正负号
for (i = 1; 1.0 / i >= 0.0000001; i += 2) {
s += sign * 1.0 / i;
sign = -sign;
}
printf("%lf\n", s);
return 0;
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C代码和运行结果如下：
输出符合样例，望采纳~
附源码：
#include <stdio.h>
int main() {
double s = 0;
int i, sign = 1; // sign表示正负号
for (i = 1; 1.0 / i >= 0.0000001; i += 2) {
s += sign * 1.0 / i;
sign = -sign;
}
printf("%lf\n", s);
return 0;
}