Breed Counting

#include <iostream>
#include <vector>
 
using namespace std;
 
int main() {
	freopen("bcount.in", "r", stdin);
	freopen("bcount.out", "w", stdout);
 
	int cow_num;
	int query_num;
	cin >> cow_num >> query_num;
 
	vector<int> holsteins(cow_num + 1);
	vector<int> guernseys(cow_num + 1);
	vector<int> jerseys(cow_num + 1);
	for (int c = 0; c < cow_num; c++) {
		holsteins[c + 1] = holsteins[c];
		guernseys[c + 1] = guernseys[c];
		jerseys[c + 1] = jerseys[c];
 
		int type;
		cin >> type;
		if (type == 1) holsteins[c + 1]++;
		else if (type == 2) guernseys[c + 1]++;
		else if (type == 3) jerseys[c + 1]++;
	}
 
	for (int q = 0; q < query_num; q++) {
		int start;
		int end;
		cin >> start >> end;
		cout << holsteins[end] - holsteins[start - 1] << ' '
		     << guernseys[end] - guernseys[start - 1] << ' '
		     << jerseys[end] - jerseys[start - 1] << '\n';
	}
}

import java.io.*;
import java.util.*;
 
public class BCount {
	public static void main(String[] args) throws IOException {
		BufferedReader read = new BufferedReader(new FileReader("bcount.in"));
		PrintWriter out =
		    new PrintWriter(new BufferedWriter(new FileWriter("bcount.out")));
		StringTokenizer initial = new StringTokenizer(read.readLine());
		int cowNum = Integer.parseInt(initial.nextToken());
		int queryNum = Integer.parseInt(initial.nextToken());
 
		int[] holsteins = new int[cowNum + 1];
		int[] guernseys = new int[cowNum + 1];
		int[] jerseys = new int[cowNum + 1];
		for (int i = 1; i <= cowNum; i++) {
			holsteins[i] += holsteins[i - 1];
			guernseys[i] += guernseys[i - 1];
			jerseys[i] += jerseys[i - 1];
 
			int breed = Integer.parseInt(read.readLine());
			if (breed == 1) {
				holsteins[i]++;
			} else if (breed == 2) {
				guernseys[i]++;
			} else if (breed == 3) {
				jerseys[i]++;
			}
		}
 
		for (int q = 0; q < queryNum; q++) {
			StringTokenizer query = new StringTokenizer(read.readLine());
			int start = Integer.parseInt(query.nextToken());
			int end = Integer.parseInt(query.nextToken());
 
			int holstein = holsteins[end] - holsteins[start - 1];
			int guernsey = guernseys[end] - guernseys[start - 1];
			int jersey = jerseys[end] - jerseys[start - 1];
			out.println(holstein + " " + guernsey + " " + jersey);
		}
		out.close();
	}
}

with open("bcount.in") as read:
	cow_num, query_num = [int(i) for i in read.readline().split()]
	holsteins = [0]
	guernseys = [0]
	jerseys = [0]
	for _ in range(cow_num):
		holsteins.append(holsteins[-1])
		guernseys.append(guernseys[-1])
		jerseys.append(jerseys[-1])
 
		cow = int(read.readline())
		if cow == 1:
			holsteins[-1] += 1
		elif cow == 2:
			guernseys[-1] += 1
		elif cow == 3:
			jerseys[-1] += 1
 
	with open("bcount.out", "w") as written:
		for _ in range(query_num):
			start, end = [int(i) for i in read.readline().split()]
			holstein = holsteins[end] - holsteins[start - 1]
			guernsey = guernseys[end] - guernseys[start - 1]
			jersey = jerseys[end] - jerseys[start - 1]
			written.write(f"{holstein} {guernsey} {jersey}\n")