Submission #1334966

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Source Code Expand

import java.io.BufferedReader;
import java.io.InputStreamReader;



class Main{

	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int n = Integer.parseInt(br.readLine());
		String[] input = br.readLine().split(" ");
		int[] a = new int[n];
		for(int i = 0;i < n;i++){
			a[i] = Integer.parseInt(input[i]);
		}
		//好きー＞嫌いー＞大好きー＞好きー＞嫌いー＞大好きー＞好きー＞嫌い 2->5->8->11
		//好きー＞嫌いー＞好きー＞嫌い 2->4->6
		int count = 0;
		int i = 0;
		while(i < n){
			if(a[i] % 3 == 2){
				a[i] -= 1;
				count += 1;
			}else if(a[i] % 2 == 0){
				a[i] -= 1;
				count += 1;
			}else{
				i += 1;
			}
		}
		System.out.println(count);


	}

}

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