C++ :

#include<iostream>
#include<cstring>
using namespace std;

int main(){
	double n,m;
	int x;
	double a[]={0.0,1.0,1.5,2.0,2.5,3.0};
	cin>>n>>m>>x;
	double ans=n;
	ans+=a[x];
	int num=m/ans;
	m-=num*ans;
	if(m==0){
		cout<<num<<endl;
	}else{
		cout<<num+1<<endl;
	}
	return 0;
}

Java :

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] s  = br.readLine().split(" ");
		
		int n = Integer.parseInt(s[0]);
		int m = Integer.parseInt(s[1]);
		int x = Integer.parseInt(s[2]);
		double c = 0;
		
		if(x == 0) {
			c = n;
		}else if(x == 1) {
			c = n + 1;
		}else if(x == 2) {
			c = n + 1.5;
		}else if(x == 3) {
			c = n + 2;
		}else if(x == 4) {
			c = n + 2.5;
		}else if(x == 5) {
			c = n + 3;
		}
		
		if(m % c == 0) {
			System.out.println((int)(m / c));
		}else {
			System.out.println((int)((m / c) + 1));
		}
	}
}

Python :

# coding=utf-8
n,m,x = map(int,input().split())
sp =[0,1,1.5,2,2.5,3]
n += sp[x]
if m / n == int(m / n):
    print(int(m / n))
else:
    print(int(m / n) + 1)