练习java高效的输入输出

import java.io.*;
class Main{
    static int N = 100010;
    static int[] a = new int[N];
    static int[] b = new int[N];
    public static void main(String[] args) throws IOException {
        BufferedReader cin = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter log = new BufferedWriter(new OutputStreamWriter(System.out));
        String[] s = cin.readLine().split(" ");
        int n = Integer.parseInt(s[0]);
        int m = Integer.parseInt(s[1]);
        s = cin.readLine().split(" ");
        for (int i = 1; i <= n; i++) {
            a[i] = Integer.parseInt(s[i - 1]);
            b[i] = a[i] - a[i - 1];
        }

        int l, r, c;
        while (m-- > 0) {
            s = cin.readLine().split(" ");
            l = Integer.parseInt(s[0]);
            r = Integer.parseInt(s[1]);
            c = Integer.parseInt(s[2]);
            b[l] += c;
            b[r + 1] -= c;
        }
        for (int i = 1; i <= n; i++) {
            a[i] = b[i] + a[i - 1];
            //System.out.print(a[i] + " ");
            log.write(a[i] + " ");
        }
        cin.close();
        log.flush();
        log.close();
    }
}