Answered: Please review my code here in C...…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Please review my code here in C... there are errors occurring and I'm not sure why.

InputInput will begin with a line containing 1 integer, n (1 ≤ n ≤ 500,000), representing the number of groups
to process. The following n lines will each contain 3 integers: s, a, and p (1 ≤ s ≤ 1,000,000; 1 ≤ a ≤
1,000,000,000; 1 ≤ p ≤ 1,000,000) representing the group size, arrival time, and processing time
respectively.
Output should contain 1 integer representing the sum time taken by all people that waited in line.

Example:

Sample Input:
4
1 4 10
1 2 10
1 1 10
1 3 10
Output: 56
3
2 10 10
3 9 1
1 1 20

Output: 65

Code below:

#include<iostream>
#include<string.h>
#include<sstream>
#include<vector>
#include <stdio.h>

usingnamespace std;

int main()

{

while(true){

cout<<"\nEnter visitor's data or input xx to stop\n";

string s;

getline(cin,s);// Enter the new data line

if(s=="xx")//If entered value is xx then stop

break;

stringstream ss(s);//Conersion of string to numbers of visitors

vector<int>visitor_count;

int x;
while(ss>>x){

if(x==888)//If number is sentinel value then stop

break;

else

visitor_count.push_back(x);

}

string time;// To input string value

ss>>time;

int total_visitors=0;//To sum up total visitors

for(int i=0;i<visitor_count.size();i++){

cout<<visitor_count[i]<<" New visitors entered.\n";

total_visitors += visitor_count[i];

}

cout<<"By "<<time<<<"," <<total_visitors<<" new visitors entered the Park\n";

}

return0;
}

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