algorithms
코드포스 (codeforces)
코드포스 344A (codeforces 344A)
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코드포스 344A (codeforces 344A) 문제 풀이 및 코드 (description and code)
Problem - 344A - Codeforces
코드
import java.io.*;
public class CF344A {
static int n, count = 1;
static String ins[] = new String[1000001];
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
n = Integer.parseInt(br.readLine());
for (int i = 0; i < n; i++) {
ins[i] = br.readLine();
}
for (int i = 1; i < n; i++) {
count += (!ins[i - 1].equals(ins[i])) ? 1 : 0;
}
bw.write(count + "\n");
bw.flush();bw.close();
}
}
