发布时间:2019-07-12 10:06:39编辑:auto阅读(2109)
#define _CRT_SECURE_NO_WARNINGS #include<stdio.h> int main() { double a = 1.0; double b = 1.0; double Sn = 0; int i = 0; for (i = 0; i < 20; i++) { a = a + b; b = a - b; Sn += (a / b); } printf("Sn=%f\n", Sn); system("pause"); return 0; }
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