你题目的解答代码如下:
#include<stdio.h>
int main()
{
int x;
char c;
double s;
scanf("%d", &x);
s = (double)x;
while (1)
{
scanf("%1s", &c);
if (c==';')
break;
scanf("%d", &x);
if (c=='*')
s *= x;
else if (c=='/')
s /= x;
}
printf("%lf",s);
return 0;
}
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