9.10 LAB: Parsing dates Complete main() to read dates from input, one date per line. Each date's format must be as follows: March 1, 1990. Any date not following that format is incorrect and should be ignored. Use the substr() function to parse the string and extract the date. The input ends with -1 on a line alone. Output each correct date as: 3-1-1990. Ex: If the input is: March 1, 1990 April 2 1995 7/15/20 December 13, 2003 -1 then the output is: 3-1-1990 12-13-2003 Use the provided DateParser() function to convert a month string to an integer. If the month string is valid, an integer in the range 1 to 12 inclusive is returned, otherwise 0 is returned. Ex: DateParser("February") returns 2 and DateParser("7/15/20") returns 0. #include #include using namespace std; int DateParser(string month) { int monthInt = 0; if (month == "January") monthInt = 1; else if (month == "February") monthInt = 2; else if (month == "March") monthInt = 3; else if (month == "April") monthInt = 4; else if (month == "May") monthInt = 5; else if (month == "June") monthInt = 6; else if (month == "July") monthInt = 7; else if (month == "August") monthInt = 8; else if (month == "September") monthInt = 9; else if (month == "October") monthInt = 10; else if (month == "November") monthInt = 11; else if (month == "December") monthInt = 12; return monthInt; } int main () { // TODO: Read dates from input, parse the dates to find the ones // in the correct format, and output in m-d-yyyy format }

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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9.10 LAB: Parsing dates

Complete main() to read dates from input, one date per line. Each date's format must be as follows: March 1, 1990. Any date not following that format is incorrect and should be ignored. Use the substr() function to parse the string and extract the date. The input ends with -1 on a line alone. Output each correct date as: 3-1-1990.

Ex: If the input is:

March 1, 1990

April 2 1995

7/15/20

December 13, 2003

-1

then the output is:

3-1-1990

12-13-2003

Use the provided DateParser() function to convert a month string to an integer. If the month string is valid, an integer in the range 1 to 12 inclusive is returned, otherwise 0 is returned. Ex: DateParser("February") returns 2 and DateParser("7/15/20") returns 0.

#include <iostream>
#include <string>

using namespace std;

int DateParser(string month) {
int monthInt = 0;

if (month == "January")
monthInt = 1;
else if (month == "February")
monthInt = 2;
else if (month == "March")
monthInt = 3;
else if (month == "April")
monthInt = 4;
else if (month == "May")
monthInt = 5;
else if (month == "June")
monthInt = 6;
else if (month == "July")
monthInt = 7;
else if (month == "August")
monthInt = 8;
else if (month == "September")
monthInt = 9;
else if (month == "October")
monthInt = 10;
else if (month == "November")
monthInt = 11;
else if (month == "December")
monthInt = 12;
return monthInt;
}

int main () {

// TODO: Read dates from input, parse the dates to find the ones
// in the correct format, and output in m-d-yyyy format

}

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