#include <stdio.h>

int main()

{float a=2.3;

int b=13;

int c;//这里改成float就不能运行，但用int就输不出小数QAQ

int n=12;

int x=9,y=18;

if(x>=23&&y<5)

{a=a*(1+0.2);

if(n>3){

c=(b+(n-3)*a+1)*2;

 printf("总费用为%d",c);}

else{c=b*2;

    printf("总费用为%d",c);}

}

else

{if(n>3){

c=(b+(n-3)*a+1)*2;

 printf("总费用为%d",c);}

else{c=b*2;

    printf("总费用为%d",c);}

}

    return 0;}