Question

c++ only help, thank you.

Using the MOCK_DATA.csv file which contains names and scores, write a program that reads the data into a map (string, int). Once the data is in a map, ask the user to enter a name. Look for the name in the map and print the score (if it exists).

Answer 1

CODE:

#include<bits/stdc++.h>

#include<fstream>

using namespace std;

int main(){

//creating map;

map<string,int>mock_data;

//input file path(MOCK_DATA.csv)

ifstream data("MOCK_DATA.csv");

string line;

vector<vector<string> > parsedCsv;

while(getline(data,line))

{

stringstream lineStream(line);

string cell;

vector<string> parsedRow;

//reading from CSV file with ',' (comma) as delimiter

while(getline(lineStream,cell,','))

{

parsedRow.push_back(cell);

}

//parsedRow[0] has name and parsedRow[1] has scores

string name = parsedRow[0];

string s = parsedRow[1];

int score;

//creating a class for stringstream

stringstream geek(s);

//converting string to int

geek >> score;

//inserting data into map

mock_data.insert(pair<string, int>(name, score));

}

//Getting input from user

cout<<"Enter name : ";

string name;

cin>>name;

//iterator for map

map<string, int>::iterator it ;

//it (iterator) will find name(key) and its value

it = mock_data.find(name);

//if it reaches end => values is not present

if(it == mock_data.end())

cout << "name is not present in map" ;

else

//if name is present it->first will have name and it->second will have score

cout << "name : "<< it->first << " score : " << it->second ;

cout << endl ;

}

CSV DATAFILE:

name score bb

CODE:

1 2 3 #include<bits/stdc++.h> #include<fstream> using namespace std; 5 - int main() { //creating map; map<string, int>mock_data; //input file path(MOCK_DATA.csv) ifstream data ("MOCK_DATA.csv"); string line; vector<vector<string> > parsedCsv; while(getline(data, line)) 13 stringstream lineStream(line); string cell; vector<string> parsedRow; //reading from CSV file with , (comma) as delimiter while(getline (lineStream, cell,',')) parsedRow.push_back(cell); //parsedRow [0] has name and parsedRow [1] has scores string name = parsedRow[0]; string s = parsedRow[1]; int score; //creating a class for stringstream stringstream geek(s); //converting string to int geek >> score;

//converting string to int geek >> score; //inserting data into map mock_data.insert(pair<string, int>(name, score)); //Getting input from user cout<<"Enter name : "; string name; cin>>name; //iterator for map map<string, int>:: iterator it ; //it (iterator) will find name(key) and its value it = mock_data. find (name); //if it reaches end => values is not present if(it == mock_data.end()) cout << "name is not present in map" ; else //if name is present it->first will have name and it->second will have score cout << "name : "<< it->first << "score : " « it->second ; 48 49 cout << endl; }

OUTPUT:

clang version 7.0.0-3-ubuntu0.18.04.1 (tags/RELEASE_700/finala Clang++-7 -pthread -o main main.cpp ./main Enter name : cc name : cc score : 3