JAVA 代码

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
//必须用BufferReader。
class Main{
    static int N = 1010;
    static int[][] a = new int[N][N];
    static int[][] b = new int[N][N];
    public static void main(String[] args) throws IOException {

        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out)); 
        String[] str1 = reader.readLine().split(" ");

        int n = Integer.parseInt(str1[0]);
        int m = Integer.parseInt(str1[1]);
        int q = Integer.parseInt(str1[2]);

        //读入原数组
        for(int i = 1; i <= n; i++){
            String[] str2 = reader.readLine().split(" ");
            for(int j = 1; j <= m; j++){
                a[i][j] = Integer.parseInt(str2[j - 1]);
                //初始化差分数组
                insert(i, j, i, j, a[i][j]);
            }
        }
        //加c
        while(q-- > 0){
            String[] str3 = reader.readLine().split(" ");
            insert(Integer.parseInt(str3[0]), Integer.parseInt(str3[1]), Integer.parseInt(str3[2]), Integer.parseInt(str3[3]), Integer.parseInt(str3[4]));
        }
        //类似于求B的前缀和
        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= m; j++){
                a[i][j] = a[i - 1][j] + a[i][j - 1] - a[i - 1][j - 1] + b[i][j];
                writer.write(a[i][j] + " ");
            }
            writer.write("\n");
        }
        writer.flush();
        reader.close();
        writer.close();
    }
    public static void insert(int x1, int y1, int x2, int y2, int c){
        b[x1][y1] += c;
        b[x2 + 1][y1] -= c;
        b[x1][y2 + 1] -= c;
        b[x2 + 1][y2 + 1] += c;
    }
}