Online C++ Compiler - Programiz

#include <iostream>
#include <bits/stdc++.h>
 using namespace std;


void findTimeToBuyTicket(vector<int> tickets ,int k){
   
    int timetaken=0;
    while(tickets[k]!=0){
       
      for (int i =0;i<tickets.size();i++){
         if(tickets[i] ==0){
          continue;
         }
        tickets[i]--;
        timetaken++;
        if(i==k){
            break;
        }
    }
    }
    cout<<"Time taken of kth person is: " <<timetaken<<endl;
}
 

 int main() {
 //Write your C++ code here
 vector<int> tickets ={5,1,1,1};
 findTimeToBuyTicket(tickets,2);
 return 0;
 }