CCF-201409-2-画图

 1 import java.util.Scanner;
 2 
 3 //给坐标每个格子都设置为flag为0，画到的格子flag为1，统计1的个数就是被涂上颜色的面积
 4 
 5 public class two {
 6 
 7     public static void main(String[] args) {
 8         Scanner scanner = new Scanner(System.in);
 9         int n = scanner.nextInt();
10         int[][] flag = new int[200][200];
11         for (int i = 0; i < n; i++) {
12             int x1 = scanner.nextInt();
13             int y1 = scanner.nextInt();
14             int x2 = scanner.nextInt();
15             int y2 = scanner.nextInt();
16             for (int j = x1; j < x2; j++) {
17                 for (int k = y1; k < y2; k++) {
18                     flag[j][k] = 1;
19                 }
20             }
21         }
22         int sum = 0;
23         for (int i = 0; i < 200; i++) {
24             for (int j = 0; j < 200; j++) {
25                 if (flag[i][j] == 1) {
26                     sum++;
27                 }
28             }
29         }
30         System.out.println(sum);
31     }
32 
33 }