问题描述 大神求提问!怎么来实现按本周来计算时间呀!怎么把这两段连接起来呀! sql = ""select t3.PRODNAME as labelifnull(t1.Nums10)-ifnull(t2.Nums20) as value from "" +"" (select sum(a.num) Nums1PRODUCTS_ID from jxc_t_outbound_detailed a"" +"" L
问题描述 C 语言用CLOCKS_PER_SEC计算时间秒不准的问题 #include #include int jishi(int b); int main(void) { int m; clock_t t; printf("多少点一秒%ldn",CLOCKS_PER_SEC); puts("请输入多长时间,秒为单位"); scanf("%d",&m); jishi(m); } int jishi(int b) { long t,o;