Baby name ranking, works. Finds the ranking of the name with given information.

13_05.cpp

#include <fstream>
#include <iostream>
#include <string>
#include <sstream>
#include <iterator>
#include <vector>
#include <algorithm>
using namespace std;

template <typename T>
T stoi (const string &input) {
	stringstream ss(input);
	T result;
	return ss >> result ? result : 0;
}

string itos (int input) {
	stringstream ss;
  ss << input;
  return ss.str();
}

void findRank (int year, char sex, string name) {
	// records
	vector<int> rank;
	vector<int> maleAmount;
	vector<int> femaleAmount;
	vector<string> male;
	vector<string> female;

	// year setup for proper filename
	string filename = "Babynamesranking" + itos(year) + ".txt";

	// file setup
	ifstream file(filename);
	string feed;

	// store items
	if (file.is_open()) {
		while (file.good() && !file.eof()) {
			// split input line by line
			getline(file, feed);
			istringstream ss(feed);
			istream_iterator<string> begin(ss), end;
			vector<string> items(begin, end);

			// insert items from line
			rank.push_back(stoi(items[0])); 
			male.push_back(items[1]); 
			maleAmount.push_back(stoi(items[2]));
			female.push_back(items[3]);
			femaleAmount.push_back(stoi(items[4]));
		}
	} else if (file.fail()) {
		cout << "File does not exist.";
	} else {
		cout << "File is currently open.";
	}

	// find
	if (tolower(sex) == 'm') {
		vector<string>::iterator it;
		it = find(male.begin(), male.end(), name);
		if (it != male.end()) {
			cout << name << " is ranked #" << ((it - male.begin()) + 1) << " in the year " << year << "." << endl;
		} else {
			cout << name << " is not ranked in the year " << year << ".";
		}
	} else {
		vector<string>::iterator it;
		it = find(female.begin(), female.end(), name);
		if (it != female.end()) {
			cout << name << " is ranked #" << ((it - female.begin()) + 1) << " in the year " << year << "." << endl;
		} else {
			cout << name << " is not ranked in the year " << year << ".";
		}
	}
}

int main () {

	int year;
	char sex;
	string name;

	cout << "Enter year: ";
	cin >> year;
	cout << "Enter gender: ";
	cin >> sex;
	cout << "Enter name: ";
	cin >> name;

	findRank(year, sex, name);

	system("pause");

	return 0;
}