有以下程序
#include <stdio.h> void main() { double x=3.14159; printf("%f\n", (int)(x*1000+0.5)/(double)1000); }
程序运行后的输出结果是 A) 3.143000 B) 3.141000 C) 3.142000 D) 3.140000
答案：C
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