Submission #5886325

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Source Code Expand

import java.util.*;

public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		char[] arr = sc.next().toCharArray();
		boolean first = true;
		int count = 0;
		int lastICount = 0;
		char last = ' ';
		for (char c : arr) {
			if (c == 'O') {
				if (!first) {
					if (last == 'I') {
						count++;
					}
				}
			} else {
				if (last != 'I') {
					first = false;
					count++;
					lastICount = count;
				}
			}
			last = c;
		}
		System.out.println(lastICount);
	}
}

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