algorithms
코드포스 (codeforces)
코드포스 96A (codeforces 96A)
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Problem - 96A - Codeforces
코드
import java.io.*;
public class CF96A {
static String in;
static int count = 0, pre;
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
in = br.readLine();pre = in.charAt(0);
for (int i = 1; i < in.length(); i++) {
count = (in.charAt(i) == pre) ? count + 1 : 0;
pre = in.charAt(i);
if (count == 6) break;
}
bw.write((count == 6) ? "YES\n" : "NO\n");
bw.flush();bw.close();
}
}