题解 | #网购#
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https://www.nowcoder.com/practice/5d7dfd405e5f4e4fbfdff6862c46b751
#include <stdio.h> int main() { double money,month,day,Q,y=0.8,sum; scanf("%lf %lf %lf %lf",&money,&month,&day,&Q); if(month==11) y=0.7;//日期一定为双十一或者双十二,只需判断月份 if(Q==1) sum=money*y-50; else sum=money*y; if(sum<0) sum=0; printf("%.2lf\n",sum); return 0; }
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入门算法题目