int main()
{
int m
scanf("%d",&m)
while(m--){
float a,result
scanf("%f",&a)
if(a>=0 &&a<=110)
result=0.5*a
else if(a>100 &&a<=210)
result=0.5*110+0.55*(a-110)
else if(a>210){
int i=1
while(a-210*i>320)
i++
if(a-210*i>=110)
result=0.7*210*i+0.55*(a-210*i)+0.5(a-210*i-110)
else
result=0.7*210*i+0.5*(a-210*i)
printf("%.2f\n",result)
}
}
return 0
}
#include <stdio.h>int main()
{
float n,cost
scanf("%f",&n)
if(n<=110)
cost=n*0.5
else if(n<=210)
cost=110*0.5+(n-110)*0.55
else cost=110*0.5+(210-110)*0.55+(n-210)*0.7
printf("%.2f",cost)
return 0
}
#include <stdio.h>int main()
{
int m
scanf("%d",&m)
while(m--){
float a,result
scanf("%f",&a)
if(a>=0 &&a<=110)
result=0.5*a
else if(a>100 &&a<=210)
result=0.5*110+0.55*(a-110)
else if(a>210){
int i=1
while(a-210*i>320)
i++
if(a-210*i>=110)
result=0.7*210*i+0.55*(a-210*i)+0.5(a-210*i-110)
else
result=0.7*210*i+0.5*(a-210*i)
printf("%.2f\n",result)
}
}
return 0
}
