#include using namespace std; int howManyGames(int p, int d, int m, int s) { int curr=p; int count=0; while(curr<=s) { count++; s=s-curr; if(curr-d>m) curr=curr-d; else curr=m; } return count; // Return the number of games you can buy } int main() { int p; int d; int m; int s; cin >> p >> d >> m >> s; int answer = howManyGames(p, d, m, s); cout << answer << endl; return 0; }