algorithms
코드포스 (codeforces)
코드포스 282A (codeforces 282A)
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코드포스 282A (codeforces 282A) 문제 풀이 및 코드 (description and code)
Problem - 282A - Codeforces
코드
import java.io.*;
public class CF282A {
static int n, ans = 0;
static String in;
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++) {
in = br.readLine().replace("X", "");
ans += (in.equals("++")) ? 1 : -1;
}
bw.write(ans + "\n");bw.flush();bw.close();
}
}