#include <stdio.h>
int main(){
int price,discount;
double money;
if (scanf("%d %d",&price,&discount)!=EOF){
money = price*discount/10.0;
printf("%.2f",money);
}else{
printf("input wrong");}
return 0;}
#include <stdio.h>
int main(){
int price,discount;
double money;
if (scanf("%d %d",&price,&discount)!=EOF){
money = price*discount/10.0;
printf("%.2f",money);
}else{
printf("input wrong");}
return 0;}天 : 20279
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