#include <iostream>
#include <iomanip>
#include <sstream>
#include <ctime>
std::string getMonthName(const std::string& dateString, const std::string& format) {
std::istringstream ss(dateString);
std::tm t{};
ss >> std::get_time(&t, format.c_str());
if (ss.fail()) {
return "Invalid date format";
}
char monthName[32];
std::strftime(monthName, sizeof(monthName), "%B", &t); // %B for full month name
return std::string(monthName);
}
int main() {
std::string date = "2023-03-17";
std::string format = "%Y-%m-%d";
std::string month = getMonthName(date, format);
std::cout << date << " -> " << month << std::endl;
date = "12/27/2024";
format = "%m/%d/%Y";
month = getMonthName(date, format);
std::cout << date << " -> " << month << std::endl;
date = "Jan 7, 2025";
format = "%b %d, %Y"; // %b for abbreviated month name
month = getMonthName(date, format);
std::cout << date << " -> " << month << std::endl;
std::string invalidDate = "2021/13/19"; // Invalid month - 13
std::string invalidFormat = "%Y-%m-%d";
std::string resultInvalid = getMonthName(invalidDate, invalidFormat);
std::cout << invalidDate << " -> " << resultInvalid << std::endl;
}
/*
run:
2023-03-17 -> March
12/27/2024 -> December
Jan 7, 2025 -> January
2021/13/19 -> Invalid date format
*/
