#include <queue>
#include <math.h>
#include <stack>
#include <stdio.h>
#include <iostream>
#include <vector>
#include <iomanip>
#include <string.h>
#include <algorithm>
using namespace std;
#define int long long
const int N = 1e5 + 10;
const int INF = 0x3f3f3f3f;
int a, ans;
char c; 
signed main() {
	scanf("%lld ", &a);
	c = getchar();//字符专用输入方式 
	if(a < 1001)//判断重量是否在1000以内 
		ans = 8;
	else
		ans = 8 + ((a - 1000) / 500 + 1) * 4;
	if(c == 'y')//判断是否加急 
		ans += 5;
	printf("%lld\n", ans); 
	return 0;
}

纯享版：

#include <stdio.h>
int a, ans;
char c; 
signed main() {
	scanf("%lld ", &a);
	c = getchar();
	if(a < 1001)
		ans = 8;
	else
		ans = 8 + ((a - 1000) / 500 + 1) * 4;
	if(c == 'y')
		ans += 5;
	printf("%lld\n", ans); 
	return 0;
}

#include <iostream>
#include <cmath>
using namespace std;
int main()
{
   double n,m;
   char a;
   cin>>n>>a;
   if(n<=1000)
   {
      m=8;
   }
   else
   {
      m=ceil((n-1000)/500)*4+8;
   }
   if (a =='y')
  {
     m=m+5;
  }
  cout << m;
  return 0;
}

#include<iostream> #include<cmath> using namespace std; int main(void){ double n,m; char a; cin>>n>>a; if(n<=1000){ m=8; } else{ m=ceil((n-1000)/500)*4+8; } if (a =='y'){ m=m+5; } cout << m; return 0; }

#include <iostream> #include <iomanip> #include <cmath> using namespace std; int main() {

double n,m;
char a;
cin>>n>>a;
if(n<=1000)
{
    m=8;
}
else
{  
    m=ceil((n-1000)/500)*4+8; 
}                           
if (a =='y')
{ m=m+5;
} 
cout << m;







return 0;

}

#include<iostream> #include<cmath> using namespace std; int main(void) { double n,m; char a; cin>>n>>a; if(n<=1000){ m=8; } else{ m=ceil((n-1000)/500)*4+8; } if (a =='y'){ m=m+5; } cout << m; return 0; }

#include<iostream> #include<cmath> using namespace std; int main(void){ double n,m; char a; cin>>n>>a; if(n<=1000){ m=8; } else{ m=ceil((n-1000)/500)*4+8; } if (a =='y'){ m=m+5; } cout << m; return 0; }

#include<iostream> #include<cmath> using namespace std; int main(void){ double n,m; char a; cin>>n>>a; if(n<=1000){ m=8; } else{ m=ceil((n-1000)/500)*4+8; } if (a =='y'){ m=m+5; } cout << m; return 0; }